Home / 406,578.39-561,086.30-236,823.45

Finding the Fourth Proportional to 406,578.39, 561,086.30 and 236,823.45

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Solution

The fourth proportional to 406,578.39, 561,086.30 and 236,823.45 is: 326,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,578.39 : 561,086.30 = 236,823.45 : x
  2. Step 2: Convert to fraction form
    406,578.39/561,086.30 = 236,823.45/x
  3. Step 3: Cross multiply
    406,578.39x = 561,086.30 × 236,823.45
  4. Step 4: Simplify right side
    406,578.39x = 132,878,389,324.19
  5. Step 5: Solve for x
    x = 132,878,389,324.19/406,578.39
  6. Step 6: Final answer
    x = 326,821.09

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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.