Home / 644,562.72-966,944.39-195,176.61

Finding the Fourth Proportional to 644,562.72, 966,944.39 and 195,176.61

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Solution

The fourth proportional to 644,562.72, 966,944.39 and 195,176.61 is: 292,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,562.72 : 966,944.39 = 195,176.61 : x
  2. Step 2: Convert to fraction form
    644,562.72/966,944.39 = 195,176.61/x
  3. Step 3: Cross multiply
    644,562.72x = 966,944.39 × 195,176.61
  4. Step 4: Simplify right side
    644,562.72x = 188,724,927,122.84
  5. Step 5: Solve for x
    x = 188,724,927,122.84/644,562.72
  6. Step 6: Final answer
    x = 292,795.29

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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.