Home / 482,193.55-723,451.11-320,724.17

Finding the Fourth Proportional to 482,193.55, 723,451.11 and 320,724.17

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Solution

The fourth proportional to 482,193.55, 723,451.11 and 320,724.17 is: 481,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,193.55 : 723,451.11 = 320,724.17 : x
  2. Step 2: Convert to fraction form
    482,193.55/723,451.11 = 320,724.17/x
  3. Step 3: Cross multiply
    482,193.55x = 723,451.11 × 320,724.17
  4. Step 4: Simplify right side
    482,193.55x = 232,028,255,033.83
  5. Step 5: Solve for x
    x = 232,028,255,033.83/482,193.55
  6. Step 6: Final answer
    x = 481,193.19

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1.5x scale

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.