Home / 772,803.48-1,159,538.94-418,067.22

Finding the Fourth Proportional to 772,803.48, 1,159,538.94 and 418,067.22

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Solution

The fourth proportional to 772,803.48, 1,159,538.94 and 418,067.22 is: 627,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,803.48 : 1,159,538.94 = 418,067.22 : x
  2. Step 2: Convert to fraction form
    772,803.48/1,159,538.94 = 418,067.22/x
  3. Step 3: Cross multiply
    772,803.48x = 1,159,538.94 × 418,067.22
  4. Step 4: Simplify right side
    772,803.48x = 484,765,221,127.55
  5. Step 5: Solve for x
    x = 484,765,221,127.55/772,803.48
  6. Step 6: Final answer
    x = 627,281.36

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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.