Home / 664,944.80-996,961.59-238,471.47

Finding the Fourth Proportional to 664,944.80, 996,961.59 and 238,471.47

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Solution

The fourth proportional to 664,944.80, 996,961.59 and 238,471.47 is: 357,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,944.80 : 996,961.59 = 238,471.47 : x
  2. Step 2: Convert to fraction form
    664,944.80/996,961.59 = 238,471.47/x
  3. Step 3: Cross multiply
    664,944.80x = 996,961.59 × 238,471.47
  4. Step 4: Simplify right side
    664,944.80x = 237,746,895,900.84
  5. Step 5: Solve for x
    x = 237,746,895,900.84/664,944.80
  6. Step 6: Final answer
    x = 357,543.81

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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.