Home / 386,024.04-579,039.32-149,393.88

Finding the Fourth Proportional to 386,024.04, 579,039.32 and 149,393.88

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Solution

The fourth proportional to 386,024.04, 579,039.32 and 149,393.88 is: 224,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,024.04 : 579,039.32 = 149,393.88 : x
  2. Step 2: Convert to fraction form
    386,024.04/579,039.32 = 149,393.88/x
  3. Step 3: Cross multiply
    386,024.04x = 579,039.32 × 149,393.88
  4. Step 4: Simplify right side
    386,024.04x = 86,504,930,687.36
  5. Step 5: Solve for x
    x = 86,504,930,687.36/386,024.04
  6. Step 6: Final answer
    x = 224,092.08

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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.