Home / 1,190,956.88-1,786,681.56-392,287.16

Finding the Fourth Proportional to 1,190,956.88, 1,786,681.56 and 392,287.16

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Solution

The fourth proportional to 1,190,956.88, 1,786,681.56 and 392,287.16 is: 588,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,956.88 : 1,786,681.56 = 392,287.16 : x
  2. Step 2: Convert to fraction form
    1,190,956.88/1,786,681.56 = 392,287.16/x
  3. Step 3: Cross multiply
    1,190,956.88x = 1,786,681.56 × 392,287.16
  4. Step 4: Simplify right side
    1,190,956.88x = 700,892,234,996.77
  5. Step 5: Solve for x
    x = 700,892,234,996.77/1,190,956.88
  6. Step 6: Final answer
    x = 588,511.85

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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.