Home / 828,932.14-1,243,398.24-296,420.86

Finding the Fourth Proportional to 828,932.14, 1,243,398.24 and 296,420.86

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Solution

The fourth proportional to 828,932.14, 1,243,398.24 and 296,420.86 is: 444,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,932.14 : 1,243,398.24 = 296,420.86 : x
  2. Step 2: Convert to fraction form
    828,932.14/1,243,398.24 = 296,420.86/x
  3. Step 3: Cross multiply
    828,932.14x = 1,243,398.24 × 296,420.86
  4. Step 4: Simplify right side
    828,932.14x = 368,569,175,623.29
  5. Step 5: Solve for x
    x = 368,569,175,623.29/828,932.14
  6. Step 6: Final answer
    x = 444,631.30

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1.5x scale

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.