Home / 864,127.36-1,192,163.16-541,275.40

Finding the Fourth Proportional to 864,127.36, 1,192,163.16 and 541,275.40

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Solution

The fourth proportional to 864,127.36, 1,192,163.16 and 541,275.40 is: 746,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,127.36 : 1,192,163.16 = 541,275.40 : x
  2. Step 2: Convert to fraction form
    864,127.36/1,192,163.16 = 541,275.40/x
  3. Step 3: Cross multiply
    864,127.36x = 1,192,163.16 × 541,275.40
  4. Step 4: Simplify right side
    864,127.36x = 645,288,591,294.26
  5. Step 5: Solve for x
    x = 645,288,591,294.26/864,127.36
  6. Step 6: Final answer
    x = 746,751.72

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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.