Home / 749,141.52-1,123,565.67-623,588.28

Finding the Fourth Proportional to 749,141.52, 1,123,565.67 and 623,588.28

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Solution

The fourth proportional to 749,141.52, 1,123,565.67 and 623,588.28 is: 935,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,141.52 : 1,123,565.67 = 623,588.28 : x
  2. Step 2: Convert to fraction form
    749,141.52/1,123,565.67 = 623,588.28/x
  3. Step 3: Cross multiply
    749,141.52x = 1,123,565.67 × 623,588.28
  4. Step 4: Simplify right side
    749,141.52x = 700,642,383,622.35
  5. Step 5: Solve for x
    x = 700,642,383,622.35/749,141.52
  6. Step 6: Final answer
    x = 935,260.38

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Double scale
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Similar ratio
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1.5x scale

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.