Home / 838,951.70-1,258,427.55-604,505.30

Finding the Fourth Proportional to 838,951.70, 1,258,427.55 and 604,505.30

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Solution

The fourth proportional to 838,951.70, 1,258,427.55 and 604,505.30 is: 906,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,951.70 : 1,258,427.55 = 604,505.30 : x
  2. Step 2: Convert to fraction form
    838,951.70/1,258,427.55 = 604,505.30/x
  3. Step 3: Cross multiply
    838,951.70x = 1,258,427.55 × 604,505.30
  4. Step 4: Simplify right side
    838,951.70x = 760,726,123,641.02
  5. Step 5: Solve for x
    x = 760,726,123,641.02/838,951.70
  6. Step 6: Final answer
    x = 906,757.95

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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.