Home / 677,454.95-1,016,181.89-204,140.31

Finding the Fourth Proportional to 677,454.95, 1,016,181.89 and 204,140.31

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Solution

The fourth proportional to 677,454.95, 1,016,181.89 and 204,140.31 is: 306,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,454.95 : 1,016,181.89 = 204,140.31 : x
  2. Step 2: Convert to fraction form
    677,454.95/1,016,181.89 = 204,140.31/x
  3. Step 3: Cross multiply
    677,454.95x = 1,016,181.89 × 204,140.31
  4. Step 4: Simplify right side
    677,454.95x = 207,443,686,040.99
  5. Step 5: Solve for x
    x = 207,443,686,040.99/677,454.95
  6. Step 6: Final answer
    x = 306,210.30

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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.