Home / 586,720.68-811,155.27-433,517.23

Finding the Fourth Proportional to 586,720.68, 811,155.27 and 433,517.23

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Solution

The fourth proportional to 586,720.68, 811,155.27 and 433,517.23 is: 599,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,720.68 : 811,155.27 = 433,517.23 : x
  2. Step 2: Convert to fraction form
    586,720.68/811,155.27 = 433,517.23/x
  3. Step 3: Cross multiply
    586,720.68x = 811,155.27 × 433,517.23
  4. Step 4: Simplify right side
    586,720.68x = 351,649,785,750.30
  5. Step 5: Solve for x
    x = 351,649,785,750.30/586,720.68
  6. Step 6: Final answer
    x = 599,347.86

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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.