Home / 632,081.25-872,287.92-383,726.21

Finding the Fourth Proportional to 632,081.25, 872,287.92 and 383,726.21

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Solution

The fourth proportional to 632,081.25, 872,287.92 and 383,726.21 is: 529,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,081.25 : 872,287.92 = 383,726.21 : x
  2. Step 2: Convert to fraction form
    632,081.25/872,287.92 = 383,726.21/x
  3. Step 3: Cross multiply
    632,081.25x = 872,287.92 × 383,726.21
  4. Step 4: Simplify right side
    632,081.25x = 334,719,733,208.94
  5. Step 5: Solve for x
    x = 334,719,733,208.94/632,081.25
  6. Step 6: Final answer
    x = 529,551.75

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1.5x scale

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.