Home / 828,964.26-1,143,970.41-461,433.42

Finding the Fourth Proportional to 828,964.26, 1,143,970.41 and 461,433.42

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Solution

The fourth proportional to 828,964.26, 1,143,970.41 and 461,433.42 is: 636,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,964.26 : 1,143,970.41 = 461,433.42 : x
  2. Step 2: Convert to fraction form
    828,964.26/1,143,970.41 = 461,433.42/x
  3. Step 3: Cross multiply
    828,964.26x = 1,143,970.41 × 461,433.42
  4. Step 4: Simplify right side
    828,964.26x = 527,866,177,799.92
  5. Step 5: Solve for x
    x = 527,866,177,799.92/828,964.26
  6. Step 6: Final answer
    x = 636,777.97

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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.