Home / 460,593.18-690,217.80-204,116.40

Finding the Fourth Proportional to 460,593.18, 690,217.80 and 204,116.40

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Solution

The fourth proportional to 460,593.18, 690,217.80 and 204,116.40 is: 305,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,593.18 : 690,217.80 = 204,116.40 : x
  2. Step 2: Convert to fraction form
    460,593.18/690,217.80 = 204,116.40/x
  3. Step 3: Cross multiply
    460,593.18x = 690,217.80 × 204,116.40
  4. Step 4: Simplify right side
    460,593.18x = 140,884,772,551.92
  5. Step 5: Solve for x
    x = 140,884,772,551.92/460,593.18
  6. Step 6: Final answer
    x = 305,876.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.