Home / 858,353.60-1,287,530.40-227,331.20

Finding the Fourth Proportional to 858,353.60, 1,287,530.40 and 227,331.20

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Solution

The fourth proportional to 858,353.60, 1,287,530.40 and 227,331.20 is: 340,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,353.60 : 1,287,530.40 = 227,331.20 : x
  2. Step 2: Convert to fraction form
    858,353.60/1,287,530.40 = 227,331.20/x
  3. Step 3: Cross multiply
    858,353.60x = 1,287,530.40 × 227,331.20
  4. Step 4: Simplify right side
    858,353.60x = 292,695,830,868.48
  5. Step 5: Solve for x
    x = 292,695,830,868.48/858,353.60
  6. Step 6: Final answer
    x = 340,996.80

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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.