Home / 838,150.29-1,156,647.42-456,179.85

Finding the Fourth Proportional to 838,150.29, 1,156,647.42 and 456,179.85

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Solution

The fourth proportional to 838,150.29, 1,156,647.42 and 456,179.85 is: 629,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,150.29 : 1,156,647.42 = 456,179.85 : x
  2. Step 2: Convert to fraction form
    838,150.29/1,156,647.42 = 456,179.85/x
  3. Step 3: Cross multiply
    838,150.29x = 1,156,647.42 × 456,179.85
  4. Step 4: Simplify right side
    838,150.29x = 527,639,246,558.49
  5. Step 5: Solve for x
    x = 527,639,246,558.49/838,150.29
  6. Step 6: Final answer
    x = 629,528.20

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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.