Home / 1,023,113.10-1,534,672.89-313,138.38

Finding the Fourth Proportional to 1,023,113.10, 1,534,672.89 and 313,138.38

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Solution

The fourth proportional to 1,023,113.10, 1,534,672.89 and 313,138.38 is: 469,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,113.10 : 1,534,672.89 = 313,138.38 : x
  2. Step 2: Convert to fraction form
    1,023,113.10/1,534,672.89 = 313,138.38/x
  3. Step 3: Cross multiply
    1,023,113.10x = 1,534,672.89 × 313,138.38
  4. Step 4: Simplify right side
    1,023,113.10x = 480,564,982,604.52
  5. Step 5: Solve for x
    x = 480,564,982,604.52/1,023,113.10
  6. Step 6: Final answer
    x = 469,708.56

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Double scale
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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.