Home / 838,068.75-1,156,333.19-493,918.38

Finding the Fourth Proportional to 838,068.75, 1,156,333.19 and 493,918.38

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Solution

The fourth proportional to 838,068.75, 1,156,333.19 and 493,918.38 is: 681,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,068.75 : 1,156,333.19 = 493,918.38 : x
  2. Step 2: Convert to fraction form
    838,068.75/1,156,333.19 = 493,918.38/x
  3. Step 3: Cross multiply
    838,068.75x = 1,156,333.19 × 493,918.38
  4. Step 4: Simplify right side
    838,068.75x = 571,134,213,475.44
  5. Step 5: Solve for x
    x = 571,134,213,475.44/838,068.75
  6. Step 6: Final answer
    x = 681,488.50

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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.