Home / 1,251,534.38-1,877,207.25-398,571.57

Finding the Fourth Proportional to 1,251,534.38, 1,877,207.25 and 398,571.57

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Solution

The fourth proportional to 1,251,534.38, 1,877,207.25 and 398,571.57 is: 597,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,534.38 : 1,877,207.25 = 398,571.57 : x
  2. Step 2: Convert to fraction form
    1,251,534.38/1,877,207.25 = 398,571.57/x
  3. Step 3: Cross multiply
    1,251,534.38x = 1,877,207.25 × 398,571.57
  4. Step 4: Simplify right side
    1,251,534.38x = 748,201,440,100.56
  5. Step 5: Solve for x
    x = 748,201,440,100.56/1,251,534.38
  6. Step 6: Final answer
    x = 597,827.32

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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.