Home / 439,425.04-606,411.33-258,144.61

Finding the Fourth Proportional to 439,425.04, 606,411.33 and 258,144.61

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Solution

The fourth proportional to 439,425.04, 606,411.33 and 258,144.61 is: 356,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,425.04 : 606,411.33 = 258,144.61 : x
  2. Step 2: Convert to fraction form
    439,425.04/606,411.33 = 258,144.61/x
  3. Step 3: Cross multiply
    439,425.04x = 606,411.33 × 258,144.61
  4. Step 4: Simplify right side
    439,425.04x = 156,541,816,282.43
  5. Step 5: Solve for x
    x = 156,541,816,282.43/439,425.04
  6. Step 6: Final answer
    x = 356,242.37

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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.