Home / 624,625.04-861,982.86-338,145.12

Finding the Fourth Proportional to 624,625.04, 861,982.86 and 338,145.12

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Solution

The fourth proportional to 624,625.04, 861,982.86 and 338,145.12 is: 466,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,625.04 : 861,982.86 = 338,145.12 : x
  2. Step 2: Convert to fraction form
    624,625.04/861,982.86 = 338,145.12/x
  3. Step 3: Cross multiply
    624,625.04x = 861,982.86 × 338,145.12
  4. Step 4: Simplify right side
    624,625.04x = 291,475,297,632.64
  5. Step 5: Solve for x
    x = 291,475,297,632.64/624,625.04
  6. Step 6: Final answer
    x = 466,640.43

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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.