Home / 751,288.32-1,125,063.09-525,591.97

Finding the Fourth Proportional to 751,288.32, 1,125,063.09 and 525,591.97

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Solution

The fourth proportional to 751,288.32, 1,125,063.09 and 525,591.97 is: 787,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,288.32 : 1,125,063.09 = 525,591.97 : x
  2. Step 2: Convert to fraction form
    751,288.32/1,125,063.09 = 525,591.97/x
  3. Step 3: Cross multiply
    751,288.32x = 1,125,063.09 × 525,591.97
  4. Step 4: Simplify right side
    751,288.32x = 591,324,123,034.73
  5. Step 5: Solve for x
    x = 591,324,123,034.73/751,288.32
  6. Step 6: Final answer
    x = 787,080.15

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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.