Home / 728,716.40-1,093,043.62-248,987.22

Finding the Fourth Proportional to 728,716.40, 1,093,043.62 and 248,987.22

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Solution

The fourth proportional to 728,716.40, 1,093,043.62 and 248,987.22 is: 373,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,716.40 : 1,093,043.62 = 248,987.22 : x
  2. Step 2: Convert to fraction form
    728,716.40/1,093,043.62 = 248,987.22/x
  3. Step 3: Cross multiply
    728,716.40x = 1,093,043.62 × 248,987.22
  4. Step 4: Simplify right side
    728,716.40x = 272,153,887,094.30
  5. Step 5: Solve for x
    x = 272,153,887,094.30/728,716.40
  6. Step 6: Final answer
    x = 373,470.24

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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.