Home / 591,985.40-887,394.90-292,512.20

Finding the Fourth Proportional to 591,985.40, 887,394.90 and 292,512.20

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Solution

The fourth proportional to 591,985.40, 887,394.90 and 292,512.20 is: 438,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,985.40 : 887,394.90 = 292,512.20 : x
  2. Step 2: Convert to fraction form
    591,985.40/887,394.90 = 292,512.20/x
  3. Step 3: Cross multiply
    591,985.40x = 887,394.90 × 292,512.20
  4. Step 4: Simplify right side
    591,985.40x = 259,573,834,467.78
  5. Step 5: Solve for x
    x = 259,573,834,467.78/591,985.40
  6. Step 6: Final answer
    x = 438,480.13

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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.