Home / 386,526.77-579,780.66-149,869.52

Finding the Fourth Proportional to 386,526.77, 579,780.66 and 149,869.52

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Solution

The fourth proportional to 386,526.77, 579,780.66 and 149,869.52 is: 224,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,526.77 : 579,780.66 = 149,869.52 : x
  2. Step 2: Convert to fraction form
    386,526.77/579,780.66 = 149,869.52/x
  3. Step 3: Cross multiply
    386,526.77x = 579,780.66 × 149,869.52
  4. Step 4: Simplify right side
    386,526.77x = 86,891,450,668.93
  5. Step 5: Solve for x
    x = 86,891,450,668.93/386,526.77
  6. Step 6: Final answer
    x = 224,800.61

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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.