Home / 698,100.14-963,273.24-392,117.91

Finding the Fourth Proportional to 698,100.14, 963,273.24 and 392,117.91

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Solution

The fourth proportional to 698,100.14, 963,273.24 and 392,117.91 is: 541,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,100.14 : 963,273.24 = 392,117.91 : x
  2. Step 2: Convert to fraction form
    698,100.14/963,273.24 = 392,117.91/x
  3. Step 3: Cross multiply
    698,100.14x = 963,273.24 × 392,117.91
  4. Step 4: Simplify right side
    698,100.14x = 377,716,689,627.73
  5. Step 5: Solve for x
    x = 377,716,689,627.73/698,100.14
  6. Step 6: Final answer
    x = 541,063.77

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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.