Home / 627,836.68-935,840.60-577,448.20

Finding the Fourth Proportional to 627,836.68, 935,840.60 and 577,448.20

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Solution

The fourth proportional to 627,836.68, 935,840.60 and 577,448.20 is: 860,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,836.68 : 935,840.60 = 577,448.20 : x
  2. Step 2: Convert to fraction form
    627,836.68/935,840.60 = 577,448.20/x
  3. Step 3: Cross multiply
    627,836.68x = 935,840.60 × 577,448.20
  4. Step 4: Simplify right side
    627,836.68x = 540,399,469,956.92
  5. Step 5: Solve for x
    x = 540,399,469,956.92/627,836.68
  6. Step 6: Final answer
    x = 860,732.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.