Home / 902,561.70-1,353,842.55-725,414.70

Finding the Fourth Proportional to 902,561.70, 1,353,842.55 and 725,414.70

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Solution

The fourth proportional to 902,561.70, 1,353,842.55 and 725,414.70 is: 1,088,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,561.70 : 1,353,842.55 = 725,414.70 : x
  2. Step 2: Convert to fraction form
    902,561.70/1,353,842.55 = 725,414.70/x
  3. Step 3: Cross multiply
    902,561.70x = 1,353,842.55 × 725,414.70
  4. Step 4: Simplify right side
    902,561.70x = 982,097,287,255.49
  5. Step 5: Solve for x
    x = 982,097,287,255.49/902,561.70
  6. Step 6: Final answer
    x = 1,088,122.05

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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.