Home / 1,098,047.68-1,516,251.45-690,828.28

Finding the Fourth Proportional to 1,098,047.68, 1,516,251.45 and 690,828.28

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Solution

The fourth proportional to 1,098,047.68, 1,516,251.45 and 690,828.28 is: 953,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,047.68 : 1,516,251.45 = 690,828.28 : x
  2. Step 2: Convert to fraction form
    1,098,047.68/1,516,251.45 = 690,828.28/x
  3. Step 3: Cross multiply
    1,098,047.68x = 1,516,251.45 × 690,828.28
  4. Step 4: Simplify right side
    1,098,047.68x = 1,047,469,380,050.98
  5. Step 5: Solve for x
    x = 1,047,469,380,050.98/1,098,047.68
  6. Step 6: Final answer
    x = 953,937.98

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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.