Home / 1,165,930.60-1,748,895.90-418,052.20

Finding the Fourth Proportional to 1,165,930.60, 1,748,895.90 and 418,052.20

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Solution

The fourth proportional to 1,165,930.60, 1,748,895.90 and 418,052.20 is: 627,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,930.60 : 1,748,895.90 = 418,052.20 : x
  2. Step 2: Convert to fraction form
    1,165,930.60/1,748,895.90 = 418,052.20/x
  3. Step 3: Cross multiply
    1,165,930.60x = 1,748,895.90 × 418,052.20
  4. Step 4: Simplify right side
    1,165,930.60x = 731,129,778,565.98
  5. Step 5: Solve for x
    x = 731,129,778,565.98/1,165,930.60
  6. Step 6: Final answer
    x = 627,078.30

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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.