Home / 698,378.56-1,047,622.56-225,077.92

Finding the Fourth Proportional to 698,378.56, 1,047,622.56 and 225,077.92

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Solution

The fourth proportional to 698,378.56, 1,047,622.56 and 225,077.92 is: 337,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,378.56 : 1,047,622.56 = 225,077.92 : x
  2. Step 2: Convert to fraction form
    698,378.56/1,047,622.56 = 225,077.92/x
  3. Step 3: Cross multiply
    698,378.56x = 1,047,622.56 × 225,077.92
  4. Step 4: Simplify right side
    698,378.56x = 235,796,706,749.88
  5. Step 5: Solve for x
    x = 235,796,706,749.88/698,378.56
  6. Step 6: Final answer
    x = 337,634.52

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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.