Home / 752,127.12-1,128,227.13-246,643.38

Finding the Fourth Proportional to 752,127.12, 1,128,227.13 and 246,643.38

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Solution

The fourth proportional to 752,127.12, 1,128,227.13 and 246,643.38 is: 369,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,127.12 : 1,128,227.13 = 246,643.38 : x
  2. Step 2: Convert to fraction form
    752,127.12/1,128,227.13 = 246,643.38/x
  3. Step 3: Cross multiply
    752,127.12x = 1,128,227.13 × 246,643.38
  4. Step 4: Simplify right side
    752,127.12x = 278,269,752,750.90
  5. Step 5: Solve for x
    x = 278,269,752,750.90/752,127.12
  6. Step 6: Final answer
    x = 369,977.02

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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.