Home / 772,773.48-1,159,493.94-418,037.22

Finding the Fourth Proportional to 772,773.48, 1,159,493.94 and 418,037.22

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Solution

The fourth proportional to 772,773.48, 1,159,493.94 and 418,037.22 is: 627,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,773.48 : 1,159,493.94 = 418,037.22 : x
  2. Step 2: Convert to fraction form
    772,773.48/1,159,493.94 = 418,037.22/x
  3. Step 3: Cross multiply
    772,773.48x = 1,159,493.94 × 418,037.22
  4. Step 4: Simplify right side
    772,773.48x = 484,711,623,284.45
  5. Step 5: Solve for x
    x = 484,711,623,284.45/772,773.48
  6. Step 6: Final answer
    x = 627,236.36

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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.