Home / 838,008.98-1,156,314.53-527,863.37

Finding the Fourth Proportional to 838,008.98, 1,156,314.53 and 527,863.37

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Solution

The fourth proportional to 838,008.98, 1,156,314.53 and 527,863.37 is: 728,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,008.98 : 1,156,314.53 = 527,863.37 : x
  2. Step 2: Convert to fraction form
    838,008.98/1,156,314.53 = 527,863.37/x
  3. Step 3: Cross multiply
    838,008.98x = 1,156,314.53 × 527,863.37
  4. Step 4: Simplify right side
    838,008.98x = 610,376,080,123.85
  5. Step 5: Solve for x
    x = 610,376,080,123.85/838,008.98
  6. Step 6: Final answer
    x = 728,364.61

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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.