Home / 827,271.20-1,241,828.40-454,023.20

Finding the Fourth Proportional to 827,271.20, 1,241,828.40 and 454,023.20

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Solution

The fourth proportional to 827,271.20, 1,241,828.40 and 454,023.20 is: 681,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,271.20 : 1,241,828.40 = 454,023.20 : x
  2. Step 2: Convert to fraction form
    827,271.20/1,241,828.40 = 454,023.20/x
  3. Step 3: Cross multiply
    827,271.20x = 1,241,828.40 × 454,023.20
  4. Step 4: Simplify right side
    827,271.20x = 563,818,904,018.88
  5. Step 5: Solve for x
    x = 563,818,904,018.88/827,271.20
  6. Step 6: Final answer
    x = 681,540.59

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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.