Home / 1,114,517.28-1,538,426.24-661,805.04

Finding the Fourth Proportional to 1,114,517.28, 1,538,426.24 and 661,805.04

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Solution

The fourth proportional to 1,114,517.28, 1,538,426.24 and 661,805.04 is: 913,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,517.28 : 1,538,426.24 = 661,805.04 : x
  2. Step 2: Convert to fraction form
    1,114,517.28/1,538,426.24 = 661,805.04/x
  3. Step 3: Cross multiply
    1,114,517.28x = 1,538,426.24 × 661,805.04
  4. Step 4: Simplify right side
    1,114,517.28x = 1,018,138,239,300.25
  5. Step 5: Solve for x
    x = 1,018,138,239,300.25/1,114,517.28
  6. Step 6: Final answer
    x = 913,523.96

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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.