Home / 499,041.28-748,565.16-199,547.02

Finding the Fourth Proportional to 499,041.28, 748,565.16 and 199,547.02

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Solution

The fourth proportional to 499,041.28, 748,565.16 and 199,547.02 is: 299,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,041.28 : 748,565.16 = 199,547.02 : x
  2. Step 2: Convert to fraction form
    499,041.28/748,565.16 = 199,547.02/x
  3. Step 3: Cross multiply
    499,041.28x = 748,565.16 × 199,547.02
  4. Step 4: Simplify right side
    499,041.28x = 149,373,946,953.82
  5. Step 5: Solve for x
    x = 149,373,946,953.82/499,041.28
  6. Step 6: Final answer
    x = 299,321.83

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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.