Home / 732,646.60-1,098,969.90-520,070.20

Finding the Fourth Proportional to 732,646.60, 1,098,969.90 and 520,070.20

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Solution

The fourth proportional to 732,646.60, 1,098,969.90 and 520,070.20 is: 780,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,646.60 : 1,098,969.90 = 520,070.20 : x
  2. Step 2: Convert to fraction form
    732,646.60/1,098,969.90 = 520,070.20/x
  3. Step 3: Cross multiply
    732,646.60x = 1,098,969.90 × 520,070.20
  4. Step 4: Simplify right side
    732,646.60x = 571,541,495,686.98
  5. Step 5: Solve for x
    x = 571,541,495,686.98/732,646.60
  6. Step 6: Final answer
    x = 780,105.30

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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.