Home / 828,606.70-1,143,345.42-465,960.46

Finding the Fourth Proportional to 828,606.70, 1,143,345.42 and 465,960.46

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Solution

The fourth proportional to 828,606.70, 1,143,345.42 and 465,960.46 is: 642,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,606.70 : 1,143,345.42 = 465,960.46 : x
  2. Step 2: Convert to fraction form
    828,606.70/1,143,345.42 = 465,960.46/x
  3. Step 3: Cross multiply
    828,606.70x = 1,143,345.42 × 465,960.46
  4. Step 4: Simplify right side
    828,606.70x = 532,753,757,842.09
  5. Step 5: Solve for x
    x = 532,753,757,842.09/828,606.70
  6. Step 6: Final answer
    x = 642,951.30

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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.