Home / 313,074.06-431,717.46-267,901.56

Finding the Fourth Proportional to 313,074.06, 431,717.46 and 267,901.56

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Solution

The fourth proportional to 313,074.06, 431,717.46 and 267,901.56 is: 369,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,074.06 : 431,717.46 = 267,901.56 : x
  2. Step 2: Convert to fraction form
    313,074.06/431,717.46 = 267,901.56/x
  3. Step 3: Cross multiply
    313,074.06x = 431,717.46 × 267,901.56
  4. Step 4: Simplify right side
    313,074.06x = 115,657,781,013.24
  5. Step 5: Solve for x
    x = 115,657,781,013.24/313,074.06
  6. Step 6: Final answer
    x = 369,426.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.