Home / 855,990.12-1,181,265.30-474,016.44

Finding the Fourth Proportional to 855,990.12, 1,181,265.30 and 474,016.44

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Solution

The fourth proportional to 855,990.12, 1,181,265.30 and 474,016.44 is: 654,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,990.12 : 1,181,265.30 = 474,016.44 : x
  2. Step 2: Convert to fraction form
    855,990.12/1,181,265.30 = 474,016.44/x
  3. Step 3: Cross multiply
    855,990.12x = 1,181,265.30 × 474,016.44
  4. Step 4: Simplify right side
    855,990.12x = 559,939,172,201.53
  5. Step 5: Solve for x
    x = 559,939,172,201.53/855,990.12
  6. Step 6: Final answer
    x = 654,142.10

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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.