Home / 386,219.71-533,121.13-263,624.33

Finding the Fourth Proportional to 386,219.71, 533,121.13 and 263,624.33

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Solution

The fourth proportional to 386,219.71, 533,121.13 and 263,624.33 is: 363,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,219.71 : 533,121.13 = 263,624.33 : x
  2. Step 2: Convert to fraction form
    386,219.71/533,121.13 = 263,624.33/x
  3. Step 3: Cross multiply
    386,219.71x = 533,121.13 × 263,624.33
  4. Step 4: Simplify right side
    386,219.71x = 140,543,700,719.77
  5. Step 5: Solve for x
    x = 140,543,700,719.77/386,219.71
  6. Step 6: Final answer
    x = 363,895.73

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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.