Home / 878,257.76-1,211,528.18-534,198.92

Finding the Fourth Proportional to 878,257.76, 1,211,528.18 and 534,198.92

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Solution

The fourth proportional to 878,257.76, 1,211,528.18 and 534,198.92 is: 736,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,257.76 : 1,211,528.18 = 534,198.92 : x
  2. Step 2: Convert to fraction form
    878,257.76/1,211,528.18 = 534,198.92/x
  3. Step 3: Cross multiply
    878,257.76x = 1,211,528.18 × 534,198.92
  4. Step 4: Simplify right side
    878,257.76x = 647,197,036,576.93
  5. Step 5: Solve for x
    x = 647,197,036,576.93/878,257.76
  6. Step 6: Final answer
    x = 736,910.13

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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.