Home / 1,836,691.34-2,755,098.52-638,624.02

Finding the Fourth Proportional to 1,836,691.34, 2,755,098.52 and 638,624.02

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Solution

The fourth proportional to 1,836,691.34, 2,755,098.52 and 638,624.02 is: 957,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,691.34 : 2,755,098.52 = 638,624.02 : x
  2. Step 2: Convert to fraction form
    1,836,691.34/2,755,098.52 = 638,624.02/x
  3. Step 3: Cross multiply
    1,836,691.34x = 2,755,098.52 × 638,624.02
  4. Step 4: Simplify right side
    1,836,691.34x = 1,759,472,092,338.45
  5. Step 5: Solve for x
    x = 1,759,472,092,338.45/1,836,691.34
  6. Step 6: Final answer
    x = 957,957.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.