Home / 1,115,384.97-1,539,227.49-632,042.25

Finding the Fourth Proportional to 1,115,384.97, 1,539,227.49 and 632,042.25

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Solution

The fourth proportional to 1,115,384.97, 1,539,227.49 and 632,042.25 is: 872,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,384.97 : 1,539,227.49 = 632,042.25 : x
  2. Step 2: Convert to fraction form
    1,115,384.97/1,539,227.49 = 632,042.25/x
  3. Step 3: Cross multiply
    1,115,384.97x = 1,539,227.49 × 632,042.25
  4. Step 4: Simplify right side
    1,115,384.97x = 972,856,806,041.45
  5. Step 5: Solve for x
    x = 972,856,806,041.45/1,115,384.97
  6. Step 6: Final answer
    x = 872,216.17

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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.