Home / 702,959.88-1,054,221.74-253,622.36

Finding the Fourth Proportional to 702,959.88, 1,054,221.74 and 253,622.36

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Solution

The fourth proportional to 702,959.88, 1,054,221.74 and 253,622.36 is: 380,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,959.88 : 1,054,221.74 = 253,622.36 : x
  2. Step 2: Convert to fraction form
    702,959.88/1,054,221.74 = 253,622.36/x
  3. Step 3: Cross multiply
    702,959.88x = 1,054,221.74 × 253,622.36
  4. Step 4: Simplify right side
    702,959.88x = 267,374,205,662.11
  5. Step 5: Solve for x
    x = 267,374,205,662.11/702,959.88
  6. Step 6: Final answer
    x = 380,354.86

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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.