Home / 887,557.60-1,331,336.40-256,535.20

Finding the Fourth Proportional to 887,557.60, 1,331,336.40 and 256,535.20

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Solution

The fourth proportional to 887,557.60, 1,331,336.40 and 256,535.20 is: 384,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,557.60 : 1,331,336.40 = 256,535.20 : x
  2. Step 2: Convert to fraction form
    887,557.60/1,331,336.40 = 256,535.20/x
  3. Step 3: Cross multiply
    887,557.60x = 1,331,336.40 × 256,535.20
  4. Step 4: Simplify right side
    887,557.60x = 341,534,649,641.28
  5. Step 5: Solve for x
    x = 341,534,649,641.28/887,557.60
  6. Step 6: Final answer
    x = 384,802.80

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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.