Home / 1,191,034.60-1,786,828.24-392,287.48

Finding the Fourth Proportional to 1,191,034.60, 1,786,828.24 and 392,287.48

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Solution

The fourth proportional to 1,191,034.60, 1,786,828.24 and 392,287.48 is: 588,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,034.60 : 1,786,828.24 = 392,287.48 : x
  2. Step 2: Convert to fraction form
    1,191,034.60/1,786,828.24 = 392,287.48/x
  3. Step 3: Cross multiply
    1,191,034.60x = 1,786,828.24 × 392,287.48
  4. Step 4: Simplify right side
    1,191,034.60x = 700,950,347,462.44
  5. Step 5: Solve for x
    x = 700,950,347,462.44/1,191,034.60
  6. Step 6: Final answer
    x = 588,522.24

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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.