Home / 753,583.26-1,039,884.57-431,219.46

Finding the Fourth Proportional to 753,583.26, 1,039,884.57 and 431,219.46

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Solution

The fourth proportional to 753,583.26, 1,039,884.57 and 431,219.46 is: 595,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,583.26 : 1,039,884.57 = 431,219.46 : x
  2. Step 2: Convert to fraction form
    753,583.26/1,039,884.57 = 431,219.46/x
  3. Step 3: Cross multiply
    753,583.26x = 1,039,884.57 × 431,219.46
  4. Step 4: Simplify right side
    753,583.26x = 448,418,462,737.73
  5. Step 5: Solve for x
    x = 448,418,462,737.73/753,583.26
  6. Step 6: Final answer
    x = 595,048.33

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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.