Home / 466,025.28-643,183.92-284,841.60

Finding the Fourth Proportional to 466,025.28, 643,183.92 and 284,841.60

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Solution

The fourth proportional to 466,025.28, 643,183.92 and 284,841.60 is: 393,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,025.28 : 643,183.92 = 284,841.60 : x
  2. Step 2: Convert to fraction form
    466,025.28/643,183.92 = 284,841.60/x
  3. Step 3: Cross multiply
    466,025.28x = 643,183.92 × 284,841.60
  4. Step 4: Simplify right side
    466,025.28x = 183,205,536,867.07
  5. Step 5: Solve for x
    x = 183,205,536,867.07/466,025.28
  6. Step 6: Final answer
    x = 393,123.60

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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.