Home / 725,159.52-1,087,626.96-370,435.68

Finding the Fourth Proportional to 725,159.52, 1,087,626.96 and 370,435.68

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Solution

The fourth proportional to 725,159.52, 1,087,626.96 and 370,435.68 is: 555,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,159.52 : 1,087,626.96 = 370,435.68 : x
  2. Step 2: Convert to fraction form
    725,159.52/1,087,626.96 = 370,435.68/x
  3. Step 3: Cross multiply
    725,159.52x = 1,087,626.96 × 370,435.68
  4. Step 4: Simplify right side
    725,159.52x = 402,895,832,513.93
  5. Step 5: Solve for x
    x = 402,895,832,513.93/725,159.52
  6. Step 6: Final answer
    x = 555,596.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.