Home / 482,120.12-723,186.36-332,320.20

Finding the Fourth Proportional to 482,120.12, 723,186.36 and 332,320.20

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Solution

The fourth proportional to 482,120.12, 723,186.36 and 332,320.20 is: 498,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,120.12 : 723,186.36 = 332,320.20 : x
  2. Step 2: Convert to fraction form
    482,120.12/723,186.36 = 332,320.20/x
  3. Step 3: Cross multiply
    482,120.12x = 723,186.36 × 332,320.20
  4. Step 4: Simplify right side
    482,120.12x = 240,329,435,792.47
  5. Step 5: Solve for x
    x = 240,329,435,792.47/482,120.12
  6. Step 6: Final answer
    x = 498,484.56

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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.