Home / 406,930.04-561,570.18-225,649.60

Finding the Fourth Proportional to 406,930.04, 561,570.18 and 225,649.60

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Solution

The fourth proportional to 406,930.04, 561,570.18 and 225,649.60 is: 311,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,930.04 : 561,570.18 = 225,649.60 : x
  2. Step 2: Convert to fraction form
    406,930.04/561,570.18 = 225,649.60/x
  3. Step 3: Cross multiply
    406,930.04x = 561,570.18 × 225,649.60
  4. Step 4: Simplify right side
    406,930.04x = 126,718,086,488.93
  5. Step 5: Solve for x
    x = 126,718,086,488.93/406,930.04
  6. Step 6: Final answer
    x = 311,400.18

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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.