Home / 627,815.40-941,723.10-576,205.80

Finding the Fourth Proportional to 627,815.40, 941,723.10 and 576,205.80

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Solution

The fourth proportional to 627,815.40, 941,723.10 and 576,205.80 is: 864,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,815.40 : 941,723.10 = 576,205.80 : x
  2. Step 2: Convert to fraction form
    627,815.40/941,723.10 = 576,205.80/x
  3. Step 3: Cross multiply
    627,815.40x = 941,723.10 × 576,205.80
  4. Step 4: Simplify right side
    627,815.40x = 542,626,312,213.98
  5. Step 5: Solve for x
    x = 542,626,312,213.98/627,815.40
  6. Step 6: Final answer
    x = 864,308.70

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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.