Home / 624,626.04-861,984.24-338,146.12

Finding the Fourth Proportional to 624,626.04, 861,984.24 and 338,146.12

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Solution

The fourth proportional to 624,626.04, 861,984.24 and 338,146.12 is: 466,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,626.04 : 861,984.24 = 338,146.12 : x
  2. Step 2: Convert to fraction form
    624,626.04/861,984.24 = 338,146.12/x
  3. Step 3: Cross multiply
    624,626.04x = 861,984.24 × 338,146.12
  4. Step 4: Simplify right side
    624,626.04x = 291,476,626,257.15
  5. Step 5: Solve for x
    x = 291,476,626,257.15/624,626.04
  6. Step 6: Final answer
    x = 466,641.81

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Double scale
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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.