Home / 410,541.80-615,726.30-173,892.20

Finding the Fourth Proportional to 410,541.80, 615,726.30 and 173,892.20

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Solution

The fourth proportional to 410,541.80, 615,726.30 and 173,892.20 is: 260,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,541.80 : 615,726.30 = 173,892.20 : x
  2. Step 2: Convert to fraction form
    410,541.80/615,726.30 = 173,892.20/x
  3. Step 3: Cross multiply
    410,541.80x = 615,726.30 × 173,892.20
  4. Step 4: Simplify right side
    410,541.80x = 107,070,000,904.86
  5. Step 5: Solve for x
    x = 107,070,000,904.86/410,541.80
  6. Step 6: Final answer
    x = 260,801.70

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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.