Home / 772,686.55-1,157,607.94-484,443.37

Finding the Fourth Proportional to 772,686.55, 1,157,607.94 and 484,443.37

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Solution

The fourth proportional to 772,686.55, 1,157,607.94 and 484,443.37 is: 725,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,686.55 : 1,157,607.94 = 484,443.37 : x
  2. Step 2: Convert to fraction form
    772,686.55/1,157,607.94 = 484,443.37/x
  3. Step 3: Cross multiply
    772,686.55x = 1,157,607.94 × 484,443.37
  4. Step 4: Simplify right side
    772,686.55x = 560,795,491,592.36
  5. Step 5: Solve for x
    x = 560,795,491,592.36/772,686.55
  6. Step 6: Final answer
    x = 725,773.59

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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.