Home / 828,621.21-1,143,486-466,044.97

Finding the Fourth Proportional to 828,621.21, 1,143,486 and 466,044.97

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Solution

The fourth proportional to 828,621.21, 1,143,486 and 466,044.97 is: 643,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,621.21 : 1,143,486 = 466,044.97 : x
  2. Step 2: Convert to fraction form
    828,621.21/1,143,486 = 466,044.97/x
  3. Step 3: Cross multiply
    828,621.21x = 1,143,486 × 466,044.97
  4. Step 4: Simplify right side
    828,621.21x = 532,915,898,565.42
  5. Step 5: Solve for x
    x = 532,915,898,565.42/828,621.21
  6. Step 6: Final answer
    x = 643,135.72

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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.