Home / 624,332.87-861,618.38-352,446.83

Finding the Fourth Proportional to 624,332.87, 861,618.38 and 352,446.83

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Solution

The fourth proportional to 624,332.87, 861,618.38 and 352,446.83 is: 486,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,332.87 : 861,618.38 = 352,446.83 : x
  2. Step 2: Convert to fraction form
    624,332.87/861,618.38 = 352,446.83/x
  3. Step 3: Cross multiply
    624,332.87x = 861,618.38 × 352,446.83
  4. Step 4: Simplify right side
    624,332.87x = 303,674,660,630.41
  5. Step 5: Solve for x
    x = 303,674,660,630.41/624,332.87
  6. Step 6: Final answer
    x = 486,398.65

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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.