Home / 710,338.98-1,065,928.83-261,375.13

Finding the Fourth Proportional to 710,338.98, 1,065,928.83 and 261,375.13

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Solution

The fourth proportional to 710,338.98, 1,065,928.83 and 261,375.13 is: 392,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,338.98 : 1,065,928.83 = 261,375.13 : x
  2. Step 2: Convert to fraction form
    710,338.98/1,065,928.83 = 261,375.13/x
  3. Step 3: Cross multiply
    710,338.98x = 1,065,928.83 × 261,375.13
  4. Step 4: Simplify right side
    710,338.98x = 278,607,283,847.18
  5. Step 5: Solve for x
    x = 278,607,283,847.18/710,338.98
  6. Step 6: Final answer
    x = 392,217.37

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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.