Home / 811,777.15-1,120,371.28-467,546.88

Finding the Fourth Proportional to 811,777.15, 1,120,371.28 and 467,546.88

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Solution

The fourth proportional to 811,777.15, 1,120,371.28 and 467,546.88 is: 645,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,777.15 : 1,120,371.28 = 467,546.88 : x
  2. Step 2: Convert to fraction form
    811,777.15/1,120,371.28 = 467,546.88/x
  3. Step 3: Cross multiply
    811,777.15x = 1,120,371.28 × 467,546.88
  4. Step 4: Simplify right side
    811,777.15x = 523,826,101,410.62
  5. Step 5: Solve for x
    x = 523,826,101,410.62/811,777.15
  6. Step 6: Final answer
    x = 645,283.13

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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.