Home / 1,073,193.60-1,609,207.20-442,171.20

Finding the Fourth Proportional to 1,073,193.60, 1,609,207.20 and 442,171.20

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Solution

The fourth proportional to 1,073,193.60, 1,609,207.20 and 442,171.20 is: 663,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,193.60 : 1,609,207.20 = 442,171.20 : x
  2. Step 2: Convert to fraction form
    1,073,193.60/1,609,207.20 = 442,171.20/x
  3. Step 3: Cross multiply
    1,073,193.60x = 1,609,207.20 × 442,171.20
  4. Step 4: Simplify right side
    1,073,193.60x = 711,545,078,672.64
  5. Step 5: Solve for x
    x = 711,545,078,672.64/1,073,193.60
  6. Step 6: Final answer
    x = 663,016.51

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Double scale
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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.