Home / 625,815.60-938,723.40-376,983.60

Finding the Fourth Proportional to 625,815.60, 938,723.40 and 376,983.60

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Solution

The fourth proportional to 625,815.60, 938,723.40 and 376,983.60 is: 565,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,815.60 : 938,723.40 = 376,983.60 : x
  2. Step 2: Convert to fraction form
    625,815.60/938,723.40 = 376,983.60/x
  3. Step 3: Cross multiply
    625,815.60x = 938,723.40 × 376,983.60
  4. Step 4: Simplify right side
    625,815.60x = 353,883,326,736.24
  5. Step 5: Solve for x
    x = 353,883,326,736.24/625,815.60
  6. Step 6: Final answer
    x = 565,475.40

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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.