Home / 1,153,331.68-1,591,558.32-644,020.96

Finding the Fourth Proportional to 1,153,331.68, 1,591,558.32 and 644,020.96

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Solution

The fourth proportional to 1,153,331.68, 1,591,558.32 and 644,020.96 is: 888,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,331.68 : 1,591,558.32 = 644,020.96 : x
  2. Step 2: Convert to fraction form
    1,153,331.68/1,591,558.32 = 644,020.96/x
  3. Step 3: Cross multiply
    1,153,331.68x = 1,591,558.32 × 644,020.96
  4. Step 4: Simplify right side
    1,153,331.68x = 1,024,996,917,142.39
  5. Step 5: Solve for x
    x = 1,024,996,917,142.39/1,153,331.68
  6. Step 6: Final answer
    x = 888,726.92

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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.