Home / 748,960.11-1,123,329.38-275,534.73

Finding the Fourth Proportional to 748,960.11, 1,123,329.38 and 275,534.73

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Solution

The fourth proportional to 748,960.11, 1,123,329.38 and 275,534.73 is: 413,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,960.11 : 1,123,329.38 = 275,534.73 : x
  2. Step 2: Convert to fraction form
    748,960.11/1,123,329.38 = 275,534.73/x
  3. Step 3: Cross multiply
    748,960.11x = 1,123,329.38 × 275,534.73
  4. Step 4: Simplify right side
    748,960.11x = 309,516,256,041.69
  5. Step 5: Solve for x
    x = 309,516,256,041.69/748,960.11
  6. Step 6: Final answer
    x = 413,261.34

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1.5x scale

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.