Home / 828,694.78-1,143,587.30-466,118.88

Finding the Fourth Proportional to 828,694.78, 1,143,587.30 and 466,118.88

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Solution

The fourth proportional to 828,694.78, 1,143,587.30 and 466,118.88 is: 643,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,694.78 : 1,143,587.30 = 466,118.88 : x
  2. Step 2: Convert to fraction form
    828,694.78/1,143,587.30 = 466,118.88/x
  3. Step 3: Cross multiply
    828,694.78x = 1,143,587.30 × 466,118.88
  4. Step 4: Simplify right side
    828,694.78x = 533,047,629,127.63
  5. Step 5: Solve for x
    x = 533,047,629,127.63/828,694.78
  6. Step 6: Final answer
    x = 643,237.59

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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.