Home / 1,172,261.60-1,753,726.80-1,016,223.20

Finding the Fourth Proportional to 1,172,261.60, 1,753,726.80 and 1,016,223.20

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Solution

The fourth proportional to 1,172,261.60, 1,753,726.80 and 1,016,223.20 is: 1,520,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,261.60 : 1,753,726.80 = 1,016,223.20 : x
  2. Step 2: Convert to fraction form
    1,172,261.60/1,753,726.80 = 1,016,223.20/x
  3. Step 3: Cross multiply
    1,172,261.60x = 1,753,726.80 × 1,016,223.20
  4. Step 4: Simplify right side
    1,172,261.60x = 1,782,177,860,621.76
  5. Step 5: Solve for x
    x = 1,782,177,860,621.76/1,172,261.60
  6. Step 6: Final answer
    x = 1,520,290.23

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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.