Home / 929,932.40-1,394,898.60-256,117.70

Finding the Fourth Proportional to 929,932.40, 1,394,898.60 and 256,117.70

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Solution

The fourth proportional to 929,932.40, 1,394,898.60 and 256,117.70 is: 384,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,932.40 : 1,394,898.60 = 256,117.70 : x
  2. Step 2: Convert to fraction form
    929,932.40/1,394,898.60 = 256,117.70/x
  3. Step 3: Cross multiply
    929,932.40x = 1,394,898.60 × 256,117.70
  4. Step 4: Simplify right side
    929,932.40x = 357,258,221,165.22
  5. Step 5: Solve for x
    x = 357,258,221,165.22/929,932.40
  6. Step 6: Final answer
    x = 384,176.55

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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.