Home / 1,318,247.28-1,977,961.68-607,894.56

Finding the Fourth Proportional to 1,318,247.28, 1,977,961.68 and 607,894.56

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Solution

The fourth proportional to 1,318,247.28, 1,977,961.68 and 607,894.56 is: 912,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,247.28 : 1,977,961.68 = 607,894.56 : x
  2. Step 2: Convert to fraction form
    1,318,247.28/1,977,961.68 = 607,894.56/x
  3. Step 3: Cross multiply
    1,318,247.28x = 1,977,961.68 × 607,894.56
  4. Step 4: Simplify right side
    1,318,247.28x = 1,202,392,145,160.46
  5. Step 5: Solve for x
    x = 1,202,392,145,160.46/1,318,247.28
  6. Step 6: Final answer
    x = 912,114.26

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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.