Home / 1,129,667.20-1,693,966.20-656,497.60

Finding the Fourth Proportional to 1,129,667.20, 1,693,966.20 and 656,497.60

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Solution

The fourth proportional to 1,129,667.20, 1,693,966.20 and 656,497.60 is: 984,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,667.20 : 1,693,966.20 = 656,497.60 : x
  2. Step 2: Convert to fraction form
    1,129,667.20/1,693,966.20 = 656,497.60/x
  3. Step 3: Cross multiply
    1,129,667.20x = 1,693,966.20 × 656,497.60
  4. Step 4: Simplify right side
    1,129,667.20x = 1,112,084,744,781.12
  5. Step 5: Solve for x
    x = 1,112,084,744,781.12/1,129,667.20
  6. Step 6: Final answer
    x = 984,435.72

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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.