Home / 624,194.20-861,387.68-352,319.14

Finding the Fourth Proportional to 624,194.20, 861,387.68 and 352,319.14

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Solution

The fourth proportional to 624,194.20, 861,387.68 and 352,319.14 is: 486,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,194.20 : 861,387.68 = 352,319.14 : x
  2. Step 2: Convert to fraction form
    624,194.20/861,387.68 = 352,319.14/x
  3. Step 3: Cross multiply
    624,194.20x = 861,387.68 × 352,319.14
  4. Step 4: Simplify right side
    624,194.20x = 303,483,366,624.20
  5. Step 5: Solve for x
    x = 303,483,366,624.20/624,194.20
  6. Step 6: Final answer
    x = 486,200.23

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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.