Home / 644,904.40-967,358.94-195,629.20

Finding the Fourth Proportional to 644,904.40, 967,358.94 and 195,629.20

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Solution

The fourth proportional to 644,904.40, 967,358.94 and 195,629.20 is: 293,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,904.40 : 967,358.94 = 195,629.20 : x
  2. Step 2: Convert to fraction form
    644,904.40/967,358.94 = 195,629.20/x
  3. Step 3: Cross multiply
    644,904.40x = 967,358.94 × 195,629.20
  4. Step 4: Simplify right side
    644,904.40x = 189,243,655,545.05
  5. Step 5: Solve for x
    x = 189,243,655,545.05/644,904.40
  6. Step 6: Final answer
    x = 293,444.51

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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.