Home / 784,838.30-1,177,257.45-731,694.20

Finding the Fourth Proportional to 784,838.30, 1,177,257.45 and 731,694.20

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Solution

The fourth proportional to 784,838.30, 1,177,257.45 and 731,694.20 is: 1,097,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,838.30 : 1,177,257.45 = 731,694.20 : x
  2. Step 2: Convert to fraction form
    784,838.30/1,177,257.45 = 731,694.20/x
  3. Step 3: Cross multiply
    784,838.30x = 1,177,257.45 × 731,694.20
  4. Step 4: Simplify right side
    784,838.30x = 861,392,448,071.79
  5. Step 5: Solve for x
    x = 861,392,448,071.79/784,838.30
  6. Step 6: Final answer
    x = 1,097,541.30

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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.