Home / 438,965.91-658,433.94-186,083.72

Finding the Fourth Proportional to 438,965.91, 658,433.94 and 186,083.72

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Solution

The fourth proportional to 438,965.91, 658,433.94 and 186,083.72 is: 279,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,965.91 : 658,433.94 = 186,083.72 : x
  2. Step 2: Convert to fraction form
    438,965.91/658,433.94 = 186,083.72/x
  3. Step 3: Cross multiply
    438,965.91x = 658,433.94 × 186,083.72
  4. Step 4: Simplify right side
    438,965.91x = 122,523,833,637.29
  5. Step 5: Solve for x
    x = 122,523,833,637.29/438,965.91
  6. Step 6: Final answer
    x = 279,119.25

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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.