Home / 677,478.05-1,016,217.47-172,076.93

Finding the Fourth Proportional to 677,478.05, 1,016,217.47 and 172,076.93

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Solution

The fourth proportional to 677,478.05, 1,016,217.47 and 172,076.93 is: 258,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,478.05 : 1,016,217.47 = 172,076.93 : x
  2. Step 2: Convert to fraction form
    677,478.05/1,016,217.47 = 172,076.93/x
  3. Step 3: Cross multiply
    677,478.05x = 1,016,217.47 × 172,076.93
  4. Step 4: Simplify right side
    677,478.05x = 174,867,576,508.50
  5. Step 5: Solve for x
    x = 174,867,576,508.50/677,478.05
  6. Step 6: Final answer
    x = 258,115.49

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Half scale
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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.