Home / 1,190,955.88-1,786,680.06-392,286.16

Finding the Fourth Proportional to 1,190,955.88, 1,786,680.06 and 392,286.16

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Solution

The fourth proportional to 1,190,955.88, 1,786,680.06 and 392,286.16 is: 588,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,955.88 : 1,786,680.06 = 392,286.16 : x
  2. Step 2: Convert to fraction form
    1,190,955.88/1,786,680.06 = 392,286.16/x
  3. Step 3: Cross multiply
    1,190,955.88x = 1,786,680.06 × 392,286.16
  4. Step 4: Simplify right side
    1,190,955.88x = 700,889,859,885.97
  5. Step 5: Solve for x
    x = 700,889,859,885.97/1,190,955.88
  6. Step 6: Final answer
    x = 588,510.35

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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.