Home / 772,182.41-1,157,584.70-392,891.00

Finding the Fourth Proportional to 772,182.41, 1,157,584.70 and 392,891.00

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Solution

The fourth proportional to 772,182.41, 1,157,584.70 and 392,891.00 is: 588,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,182.41 : 1,157,584.70 = 392,891.00 : x
  2. Step 2: Convert to fraction form
    772,182.41/1,157,584.70 = 392,891.00/x
  3. Step 3: Cross multiply
    772,182.41x = 1,157,584.70 × 392,891.00
  4. Step 4: Simplify right side
    772,182.41x = 454,804,614,243.89
  5. Step 5: Solve for x
    x = 454,804,614,243.89/772,182.41
  6. Step 6: Final answer
    x = 588,985.98

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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.