Home / 828,891.28-1,243,332.84-716,228.64

Finding the Fourth Proportional to 828,891.28, 1,243,332.84 and 716,228.64

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Solution

The fourth proportional to 828,891.28, 1,243,332.84 and 716,228.64 is: 1,074,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,891.28 : 1,243,332.84 = 716,228.64 : x
  2. Step 2: Convert to fraction form
    828,891.28/1,243,332.84 = 716,228.64/x
  3. Step 3: Cross multiply
    828,891.28x = 1,243,332.84 × 716,228.64
  4. Step 4: Simplify right side
    828,891.28x = 890,510,589,060.54
  5. Step 5: Solve for x
    x = 890,510,589,060.54/828,891.28
  6. Step 6: Final answer
    x = 1,074,339.43

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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.