Home / 611,536.42-844,319.94-397,287.10

Finding the Fourth Proportional to 611,536.42, 844,319.94 and 397,287.10

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Solution

The fourth proportional to 611,536.42, 844,319.94 and 397,287.10 is: 548,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,536.42 : 844,319.94 = 397,287.10 : x
  2. Step 2: Convert to fraction form
    611,536.42/844,319.94 = 397,287.10/x
  3. Step 3: Cross multiply
    611,536.42x = 844,319.94 × 397,287.10
  4. Step 4: Simplify right side
    611,536.42x = 335,437,420,434.77
  5. Step 5: Solve for x
    x = 335,437,420,434.77/611,536.42
  6. Step 6: Final answer
    x = 548,515.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.