Home / 1,314,165.60-1,971,248.40-515,473.20

Finding the Fourth Proportional to 1,314,165.60, 1,971,248.40 and 515,473.20

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Solution

The fourth proportional to 1,314,165.60, 1,971,248.40 and 515,473.20 is: 773,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,165.60 : 1,971,248.40 = 515,473.20 : x
  2. Step 2: Convert to fraction form
    1,314,165.60/1,971,248.40 = 515,473.20/x
  3. Step 3: Cross multiply
    1,314,165.60x = 1,971,248.40 × 515,473.20
  4. Step 4: Simplify right side
    1,314,165.60x = 1,016,125,720,742.88
  5. Step 5: Solve for x
    x = 1,016,125,720,742.88/1,314,165.60
  6. Step 6: Final answer
    x = 773,209.80

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Similar ratio
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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.