Home / 929,073.60-1,393,610.40-298,051.20

Finding the Fourth Proportional to 929,073.60, 1,393,610.40 and 298,051.20

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Solution

The fourth proportional to 929,073.60, 1,393,610.40 and 298,051.20 is: 447,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,073.60 : 1,393,610.40 = 298,051.20 : x
  2. Step 2: Convert to fraction form
    929,073.60/1,393,610.40 = 298,051.20/x
  3. Step 3: Cross multiply
    929,073.60x = 1,393,610.40 × 298,051.20
  4. Step 4: Simplify right side
    929,073.60x = 415,367,252,052.48
  5. Step 5: Solve for x
    x = 415,367,252,052.48/929,073.60
  6. Step 6: Final answer
    x = 447,076.80

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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.