Home / 1,091,567.10-1,637,350.65-611,301.90

Finding the Fourth Proportional to 1,091,567.10, 1,637,350.65 and 611,301.90

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Solution

The fourth proportional to 1,091,567.10, 1,637,350.65 and 611,301.90 is: 916,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,567.10 : 1,637,350.65 = 611,301.90 : x
  2. Step 2: Convert to fraction form
    1,091,567.10/1,637,350.65 = 611,301.90/x
  3. Step 3: Cross multiply
    1,091,567.10x = 1,637,350.65 × 611,301.90
  4. Step 4: Simplify right side
    1,091,567.10x = 1,000,915,563,311.24
  5. Step 5: Solve for x
    x = 1,000,915,563,311.24/1,091,567.10
  6. Step 6: Final answer
    x = 916,952.85

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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.