Home / 838,148.38-1,156,644.70-456,177.90

Finding the Fourth Proportional to 838,148.38, 1,156,644.70 and 456,177.90

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Solution

The fourth proportional to 838,148.38, 1,156,644.70 and 456,177.90 is: 629,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,148.38 : 1,156,644.70 = 456,177.90 : x
  2. Step 2: Convert to fraction form
    838,148.38/1,156,644.70 = 456,177.90/x
  3. Step 3: Cross multiply
    838,148.38x = 1,156,644.70 × 456,177.90
  4. Step 4: Simplify right side
    838,148.38x = 527,635,750,292.13
  5. Step 5: Solve for x
    x = 527,635,750,292.13/838,148.38
  6. Step 6: Final answer
    x = 629,525.47

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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.