Home / 754,496.78-1,131,505.13-248,963.56

Finding the Fourth Proportional to 754,496.78, 1,131,505.13 and 248,963.56

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Solution

The fourth proportional to 754,496.78, 1,131,505.13 and 248,963.56 is: 373,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,496.78 : 1,131,505.13 = 248,963.56 : x
  2. Step 2: Convert to fraction form
    754,496.78/1,131,505.13 = 248,963.56/x
  3. Step 3: Cross multiply
    754,496.78x = 1,131,505.13 × 248,963.56
  4. Step 4: Simplify right side
    754,496.78x = 281,703,543,116.71
  5. Step 5: Solve for x
    x = 281,703,543,116.71/754,496.78
  6. Step 6: Final answer
    x = 373,366.13

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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.