Home / 721,359.10-995,296.71-466,403.50

Finding the Fourth Proportional to 721,359.10, 995,296.71 and 466,403.50

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Solution

The fourth proportional to 721,359.10, 995,296.71 and 466,403.50 is: 643,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,359.10 : 995,296.71 = 466,403.50 : x
  2. Step 2: Convert to fraction form
    721,359.10/995,296.71 = 466,403.50/x
  3. Step 3: Cross multiply
    721,359.10x = 995,296.71 × 466,403.50
  4. Step 4: Simplify right side
    721,359.10x = 464,209,869,082.49
  5. Step 5: Solve for x
    x = 464,209,869,082.49/721,359.10
  6. Step 6: Final answer
    x = 643,521.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.