Home / 386,001.87-532,667.01-213,922.35

Finding the Fourth Proportional to 386,001.87, 532,667.01 and 213,922.35

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Solution

The fourth proportional to 386,001.87, 532,667.01 and 213,922.35 is: 295,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,001.87 : 532,667.01 = 213,922.35 : x
  2. Step 2: Convert to fraction form
    386,001.87/532,667.01 = 213,922.35/x
  3. Step 3: Cross multiply
    386,001.87x = 532,667.01 × 213,922.35
  4. Step 4: Simplify right side
    386,001.87x = 113,949,378,546.67
  5. Step 5: Solve for x
    x = 113,949,378,546.67/386,001.87
  6. Step 6: Final answer
    x = 295,204.21

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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.