Home / 825,575.40-1,238,363.10-586,426.95

Finding the Fourth Proportional to 825,575.40, 1,238,363.10 and 586,426.95

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Solution

The fourth proportional to 825,575.40, 1,238,363.10 and 586,426.95 is: 879,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,575.40 : 1,238,363.10 = 586,426.95 : x
  2. Step 2: Convert to fraction form
    825,575.40/1,238,363.10 = 586,426.95/x
  3. Step 3: Cross multiply
    825,575.40x = 1,238,363.10 × 586,426.95
  4. Step 4: Simplify right side
    825,575.40x = 726,209,495,725.55
  5. Step 5: Solve for x
    x = 726,209,495,725.55/825,575.40
  6. Step 6: Final answer
    x = 879,640.43

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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.