Home / 741,942-1,113,057.30-315,472.92

Finding the Fourth Proportional to 741,942, 1,113,057.30 and 315,472.92

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Solution

The fourth proportional to 741,942, 1,113,057.30 and 315,472.92 is: 473,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,942 : 1,113,057.30 = 315,472.92 : x
  2. Step 2: Convert to fraction form
    741,942/1,113,057.30 = 315,472.92/x
  3. Step 3: Cross multiply
    741,942x = 1,113,057.30 × 315,472.92
  4. Step 4: Simplify right side
    741,942x = 351,139,436,558.32
  5. Step 5: Solve for x
    x = 351,139,436,558.32/741,942
  6. Step 6: Final answer
    x = 473,270.74

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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.