Home / 440,128.40-659,998.20-173,800.40

Finding the Fourth Proportional to 440,128.40, 659,998.20 and 173,800.40

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Solution

The fourth proportional to 440,128.40, 659,998.20 and 173,800.40 is: 260,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,128.40 : 659,998.20 = 173,800.40 : x
  2. Step 2: Convert to fraction form
    440,128.40/659,998.20 = 173,800.40/x
  3. Step 3: Cross multiply
    440,128.40x = 659,998.20 × 173,800.40
  4. Step 4: Simplify right side
    440,128.40x = 114,707,951,159.28
  5. Step 5: Solve for x
    x = 114,707,951,159.28/440,128.40
  6. Step 6: Final answer
    x = 260,623.83

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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.