Home / 477,230.28-715,829.02-122,247.38

Finding the Fourth Proportional to 477,230.28, 715,829.02 and 122,247.38

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Solution

The fourth proportional to 477,230.28, 715,829.02 and 122,247.38 is: 183,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,230.28 : 715,829.02 = 122,247.38 : x
  2. Step 2: Convert to fraction form
    477,230.28/715,829.02 = 122,247.38/x
  3. Step 3: Cross multiply
    477,230.28x = 715,829.02 × 122,247.38
  4. Step 4: Simplify right side
    477,230.28x = 87,508,222,222.97
  5. Step 5: Solve for x
    x = 87,508,222,222.97/477,230.28
  6. Step 6: Final answer
    x = 183,366.87

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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.