Home / 406,578.12-561,085.92-236,823.20

Finding the Fourth Proportional to 406,578.12, 561,085.92 and 236,823.20

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Solution

The fourth proportional to 406,578.12, 561,085.92 and 236,823.20 is: 326,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,578.12 : 561,085.92 = 236,823.20 : x
  2. Step 2: Convert to fraction form
    406,578.12/561,085.92 = 236,823.20/x
  3. Step 3: Cross multiply
    406,578.12x = 561,085.92 × 236,823.20
  4. Step 4: Simplify right side
    406,578.12x = 132,878,163,049.34
  5. Step 5: Solve for x
    x = 132,878,163,049.34/406,578.12
  6. Step 6: Final answer
    x = 326,820.74

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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.