Home / 384,964.25-577,436.66-104,474.21

Finding the Fourth Proportional to 384,964.25, 577,436.66 and 104,474.21

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Solution

The fourth proportional to 384,964.25, 577,436.66 and 104,474.21 is: 156,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,964.25 : 577,436.66 = 104,474.21 : x
  2. Step 2: Convert to fraction form
    384,964.25/577,436.66 = 104,474.21/x
  3. Step 3: Cross multiply
    384,964.25x = 577,436.66 × 104,474.21
  4. Step 4: Simplify right side
    384,964.25x = 60,327,238,356.17
  5. Step 5: Solve for x
    x = 60,327,238,356.17/384,964.25
  6. Step 6: Final answer
    x = 156,708.68

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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.