Home / 591,888.20-887,961.90-292,512.20

Finding the Fourth Proportional to 591,888.20, 887,961.90 and 292,512.20

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Solution

The fourth proportional to 591,888.20, 887,961.90 and 292,512.20 is: 438,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,888.20 : 887,961.90 = 292,512.20 : x
  2. Step 2: Convert to fraction form
    591,888.20/887,961.90 = 292,512.20/x
  3. Step 3: Cross multiply
    591,888.20x = 887,961.90 × 292,512.20
  4. Step 4: Simplify right side
    591,888.20x = 259,739,688,885.18
  5. Step 5: Solve for x
    x = 259,739,688,885.18/591,888.20
  6. Step 6: Final answer
    x = 438,832.35

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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.