Home / 702,647.56-1,054,139.28-229,333.78

Finding the Fourth Proportional to 702,647.56, 1,054,139.28 and 229,333.78

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Solution

The fourth proportional to 702,647.56, 1,054,139.28 and 229,333.78 is: 344,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,647.56 : 1,054,139.28 = 229,333.78 : x
  2. Step 2: Convert to fraction form
    702,647.56/1,054,139.28 = 229,333.78/x
  3. Step 3: Cross multiply
    702,647.56x = 1,054,139.28 × 229,333.78
  4. Step 4: Simplify right side
    702,647.56x = 241,749,745,728.88
  5. Step 5: Solve for x
    x = 241,749,745,728.88/702,647.56
  6. Step 6: Final answer
    x = 344,055.48

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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.