Home / 1,191,052.20-1,786,194.36-392,143.53

Finding the Fourth Proportional to 1,191,052.20, 1,786,194.36 and 392,143.53

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Solution

The fourth proportional to 1,191,052.20, 1,786,194.36 and 392,143.53 is: 588,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,052.20 : 1,786,194.36 = 392,143.53 : x
  2. Step 2: Convert to fraction form
    1,191,052.20/1,786,194.36 = 392,143.53/x
  3. Step 3: Cross multiply
    1,191,052.20x = 1,786,194.36 × 392,143.53
  4. Step 4: Simplify right side
    1,191,052.20x = 700,444,561,596.49
  5. Step 5: Solve for x
    x = 700,444,561,596.49/1,191,052.20
  6. Step 6: Final answer
    x = 588,088.89

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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.