Home / 951,643.80-1,313,265.79-543,872.18

Finding the Fourth Proportional to 951,643.80, 1,313,265.79 and 543,872.18

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Solution

The fourth proportional to 951,643.80, 1,313,265.79 and 543,872.18 is: 750,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,643.80 : 1,313,265.79 = 543,872.18 : x
  2. Step 2: Convert to fraction form
    951,643.80/1,313,265.79 = 543,872.18/x
  3. Step 3: Cross multiply
    951,643.80x = 1,313,265.79 × 543,872.18
  4. Step 4: Simplify right side
    951,643.80x = 714,248,728,126.72
  5. Step 5: Solve for x
    x = 714,248,728,126.72/951,643.80
  6. Step 6: Final answer
    x = 750,542.09

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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.