Home / 432,923.70-649,385.55-196,727.70

Finding the Fourth Proportional to 432,923.70, 649,385.55 and 196,727.70

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Solution

The fourth proportional to 432,923.70, 649,385.55 and 196,727.70 is: 295,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,923.70 : 649,385.55 = 196,727.70 : x
  2. Step 2: Convert to fraction form
    432,923.70/649,385.55 = 196,727.70/x
  3. Step 3: Cross multiply
    432,923.70x = 649,385.55 × 196,727.70
  4. Step 4: Simplify right side
    432,923.70x = 127,752,125,664.74
  5. Step 5: Solve for x
    x = 127,752,125,664.74/432,923.70
  6. Step 6: Final answer
    x = 295,091.55

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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.