Home / 1,520,856.40-2,098,562.16-841,791.28

Finding the Fourth Proportional to 1,520,856.40, 2,098,562.16 and 841,791.28

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Solution

The fourth proportional to 1,520,856.40, 2,098,562.16 and 841,791.28 is: 1,161,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,856.40 : 2,098,562.16 = 841,791.28 : x
  2. Step 2: Convert to fraction form
    1,520,856.40/2,098,562.16 = 841,791.28/x
  3. Step 3: Cross multiply
    1,520,856.40x = 2,098,562.16 × 841,791.28
  4. Step 4: Simplify right side
    1,520,856.40x = 1,766,551,326,825.97
  5. Step 5: Solve for x
    x = 1,766,551,326,825.97/1,520,856.40
  6. Step 6: Final answer
    x = 1,161,550.38

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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.