Home / 440,837.40-661,601.70-204,209.40

Finding the Fourth Proportional to 440,837.40, 661,601.70 and 204,209.40

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Solution

The fourth proportional to 440,837.40, 661,601.70 and 204,209.40 is: 306,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,837.40 : 661,601.70 = 204,209.40 : x
  2. Step 2: Convert to fraction form
    440,837.40/661,601.70 = 204,209.40/x
  3. Step 3: Cross multiply
    440,837.40x = 661,601.70 × 204,209.40
  4. Step 4: Simplify right side
    440,837.40x = 135,105,286,195.98
  5. Step 5: Solve for x
    x = 135,105,286,195.98/440,837.40
  6. Step 6: Final answer
    x = 306,474.19

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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.