Home / 838,429.92-1,156,659.48-566,410.32

Finding the Fourth Proportional to 838,429.92, 1,156,659.48 and 566,410.32

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Solution

The fourth proportional to 838,429.92, 1,156,659.48 and 566,410.32 is: 781,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,429.92 : 1,156,659.48 = 566,410.32 : x
  2. Step 2: Convert to fraction form
    838,429.92/1,156,659.48 = 566,410.32/x
  3. Step 3: Cross multiply
    838,429.92x = 1,156,659.48 × 566,410.32
  4. Step 4: Simplify right side
    838,429.92x = 655,143,866,197.83
  5. Step 5: Solve for x
    x = 655,143,866,197.83/838,429.92
  6. Step 6: Final answer
    x = 781,393.71

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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.