Home / 1,248,160.20-1,873,290.60-1,169,428.20

Finding the Fourth Proportional to 1,248,160.20, 1,873,290.60 and 1,169,428.20

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Solution

The fourth proportional to 1,248,160.20, 1,873,290.60 and 1,169,428.20 is: 1,755,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,160.20 : 1,873,290.60 = 1,169,428.20 : x
  2. Step 2: Convert to fraction form
    1,248,160.20/1,873,290.60 = 1,169,428.20/x
  3. Step 3: Cross multiply
    1,248,160.20x = 1,873,290.60 × 1,169,428.20
  4. Step 4: Simplify right side
    1,248,160.20x = 2,190,678,854,434.92
  5. Step 5: Solve for x
    x = 2,190,678,854,434.92/1,248,160.20
  6. Step 6: Final answer
    x = 1,755,126.35

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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.