Home / 1,251,650.07-1,876,853.90-398,610.47

Finding the Fourth Proportional to 1,251,650.07, 1,876,853.90 and 398,610.47

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Solution

The fourth proportional to 1,251,650.07, 1,876,853.90 and 398,610.47 is: 597,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,650.07 : 1,876,853.90 = 398,610.47 : x
  2. Step 2: Convert to fraction form
    1,251,650.07/1,876,853.90 = 398,610.47/x
  3. Step 3: Cross multiply
    1,251,650.07x = 1,876,853.90 × 398,610.47
  4. Step 4: Simplify right side
    1,251,650.07x = 748,133,620,888.99
  5. Step 5: Solve for x
    x = 748,133,620,888.99/1,251,650.07
  6. Step 6: Final answer
    x = 597,717.88

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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.