Home / 1,765,705.50-2,436,505.11-991,159.02

Finding the Fourth Proportional to 1,765,705.50, 2,436,505.11 and 991,159.02

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Solution

The fourth proportional to 1,765,705.50, 2,436,505.11 and 991,159.02 is: 1,367,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,705.50 : 2,436,505.11 = 991,159.02 : x
  2. Step 2: Convert to fraction form
    1,765,705.50/2,436,505.11 = 991,159.02/x
  3. Step 3: Cross multiply
    1,765,705.50x = 2,436,505.11 × 991,159.02
  4. Step 4: Simplify right side
    1,765,705.50x = 2,414,964,017,052.59
  5. Step 5: Solve for x
    x = 2,414,964,017,052.59/1,765,705.50
  6. Step 6: Final answer
    x = 1,367,704.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.