Home / 591,130.20-886,695.30-433,666.20

Finding the Fourth Proportional to 591,130.20, 886,695.30 and 433,666.20

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Solution

The fourth proportional to 591,130.20, 886,695.30 and 433,666.20 is: 650,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,130.20 : 886,695.30 = 433,666.20 : x
  2. Step 2: Convert to fraction form
    591,130.20/886,695.30 = 433,666.20/x
  3. Step 3: Cross multiply
    591,130.20x = 886,695.30 × 433,666.20
  4. Step 4: Simplify right side
    591,130.20x = 384,529,781,308.86
  5. Step 5: Solve for x
    x = 384,529,781,308.86/591,130.20
  6. Step 6: Final answer
    x = 650,499.30

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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.