Home / 440,939.39-608,478.70-259,658.96

Finding the Fourth Proportional to 440,939.39, 608,478.70 and 259,658.96

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Solution

The fourth proportional to 440,939.39, 608,478.70 and 259,658.96 is: 358,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,939.39 : 608,478.70 = 259,658.96 : x
  2. Step 2: Convert to fraction form
    440,939.39/608,478.70 = 259,658.96/x
  3. Step 3: Cross multiply
    440,939.39x = 608,478.70 × 259,658.96
  4. Step 4: Simplify right side
    440,939.39x = 157,996,946,424.15
  5. Step 5: Solve for x
    x = 157,996,946,424.15/440,939.39
  6. Step 6: Final answer
    x = 358,318.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.