Home / 698,243.19-963,515.96-392,295.56

Finding the Fourth Proportional to 698,243.19, 963,515.96 and 392,295.56

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Solution

The fourth proportional to 698,243.19, 963,515.96 and 392,295.56 is: 541,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,243.19 : 963,515.96 = 392,295.56 : x
  2. Step 2: Convert to fraction form
    698,243.19/963,515.96 = 392,295.56/x
  3. Step 3: Cross multiply
    698,243.19x = 963,515.96 × 392,295.56
  4. Step 4: Simplify right side
    698,243.19x = 377,983,027,789.19
  5. Step 5: Solve for x
    x = 377,983,027,789.19/698,243.19
  6. Step 6: Final answer
    x = 541,334.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.