Home / 406,792.18-561,373.20-225,503.65

Finding the Fourth Proportional to 406,792.18, 561,373.20 and 225,503.65

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Solution

The fourth proportional to 406,792.18, 561,373.20 and 225,503.65 is: 311,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,792.18 : 561,373.20 = 225,503.65 : x
  2. Step 2: Convert to fraction form
    406,792.18/561,373.20 = 225,503.65/x
  3. Step 3: Cross multiply
    406,792.18x = 561,373.20 × 225,503.65
  4. Step 4: Simplify right side
    406,792.18x = 126,591,705,612.18
  5. Step 5: Solve for x
    x = 126,591,705,612.18/406,792.18
  6. Step 6: Final answer
    x = 311,195.03

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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.