Home / 688,439.34-950,043.18-382,565.52

Finding the Fourth Proportional to 688,439.34, 950,043.18 and 382,565.52

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Solution

The fourth proportional to 688,439.34, 950,043.18 and 382,565.52 is: 527,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,439.34 : 950,043.18 = 382,565.52 : x
  2. Step 2: Convert to fraction form
    688,439.34/950,043.18 = 382,565.52/x
  3. Step 3: Cross multiply
    688,439.34x = 950,043.18 × 382,565.52
  4. Step 4: Simplify right side
    688,439.34x = 363,453,763,179.15
  5. Step 5: Solve for x
    x = 363,453,763,179.15/688,439.34
  6. Step 6: Final answer
    x = 527,938.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.