Home / 664,739.30-996,914.55-238,225.70

Finding the Fourth Proportional to 664,739.30, 996,914.55 and 238,225.70

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Solution

The fourth proportional to 664,739.30, 996,914.55 and 238,225.70 is: 357,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,739.30 : 996,914.55 = 238,225.70 : x
  2. Step 2: Convert to fraction form
    664,739.30/996,914.55 = 238,225.70/x
  3. Step 3: Cross multiply
    664,739.30x = 996,914.55 × 238,225.70
  4. Step 4: Simplify right side
    664,739.30x = 237,490,666,513.94
  5. Step 5: Solve for x
    x = 237,490,666,513.94/664,739.30
  6. Step 6: Final answer
    x = 357,268.88

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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.