Home / 1,149,693.01-1,586,625.29-640,395.61

Finding the Fourth Proportional to 1,149,693.01, 1,586,625.29 and 640,395.61

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Solution

The fourth proportional to 1,149,693.01, 1,586,625.29 and 640,395.61 is: 883,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,693.01 : 1,586,625.29 = 640,395.61 : x
  2. Step 2: Convert to fraction form
    1,149,693.01/1,586,625.29 = 640,395.61/x
  3. Step 3: Cross multiply
    1,149,693.01x = 1,586,625.29 × 640,395.61
  4. Step 4: Simplify right side
    1,149,693.01x = 1,016,067,870,430.98
  5. Step 5: Solve for x
    x = 1,016,067,870,430.98/1,149,693.01
  6. Step 6: Final answer
    x = 883,773.20

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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.