Home / 6,205,430.10-9,308,145.15-4,189,890.90

Finding the Fourth Proportional to 6,205,430.10, 9,308,145.15 and 4,189,890.90

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Solution

The fourth proportional to 6,205,430.10, 9,308,145.15 and 4,189,890.90 is: 6,284,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205,430.10 : 9,308,145.15 = 4,189,890.90 : x
  2. Step 2: Convert to fraction form
    6,205,430.10/9,308,145.15 = 4,189,890.90/x
  3. Step 3: Cross multiply
    6,205,430.10x = 9,308,145.15 × 4,189,890.90
  4. Step 4: Simplify right side
    6,205,430.10x = 39,000,112,659,864.13
  5. Step 5: Solve for x
    x = 39,000,112,659,864.13/6,205,430.10
  6. Step 6: Final answer
    x = 6,284,836.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.