Home / 691,990.20-1,037,985.30-552,022.20

Finding the Fourth Proportional to 691,990.20, 1,037,985.30 and 552,022.20

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Solution

The fourth proportional to 691,990.20, 1,037,985.30 and 552,022.20 is: 828,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,990.20 : 1,037,985.30 = 552,022.20 : x
  2. Step 2: Convert to fraction form
    691,990.20/1,037,985.30 = 552,022.20/x
  3. Step 3: Cross multiply
    691,990.20x = 1,037,985.30 × 552,022.20
  4. Step 4: Simplify right side
    691,990.20x = 572,990,928,873.66
  5. Step 5: Solve for x
    x = 572,990,928,873.66/691,990.20
  6. Step 6: Final answer
    x = 828,033.30

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Double scale
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Similar ratio
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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.