Home / 438,823.71-658,258.13-123,305.22

Finding the Fourth Proportional to 438,823.71, 658,258.13 and 123,305.22

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Solution

The fourth proportional to 438,823.71, 658,258.13 and 123,305.22 is: 184,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,823.71 : 658,258.13 = 123,305.22 : x
  2. Step 2: Convert to fraction form
    438,823.71/658,258.13 = 123,305.22/x
  3. Step 3: Cross multiply
    438,823.71x = 658,258.13 × 123,305.22
  4. Step 4: Simplify right side
    438,823.71x = 81,166,663,536.44
  5. Step 5: Solve for x
    x = 81,166,663,536.44/438,823.71
  6. Step 6: Final answer
    x = 184,964.17

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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.