Home / 891,856.80-1,337,785.20-292,910.40

Finding the Fourth Proportional to 891,856.80, 1,337,785.20 and 292,910.40

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Solution

The fourth proportional to 891,856.80, 1,337,785.20 and 292,910.40 is: 439,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,856.80 : 1,337,785.20 = 292,910.40 : x
  2. Step 2: Convert to fraction form
    891,856.80/1,337,785.20 = 292,910.40/x
  3. Step 3: Cross multiply
    891,856.80x = 1,337,785.20 × 292,910.40
  4. Step 4: Simplify right side
    891,856.80x = 391,851,198,046.08
  5. Step 5: Solve for x
    x = 391,851,198,046.08/891,856.80
  6. Step 6: Final answer
    x = 439,365.60

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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.