Home / 406,577.89-561,085.61-236,822.95

Finding the Fourth Proportional to 406,577.89, 561,085.61 and 236,822.95

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Solution

The fourth proportional to 406,577.89, 561,085.61 and 236,822.95 is: 326,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,577.89 : 561,085.61 = 236,822.95 : x
  2. Step 2: Convert to fraction form
    406,577.89/561,085.61 = 236,822.95/x
  3. Step 3: Cross multiply
    406,577.89x = 561,085.61 × 236,822.95
  4. Step 4: Simplify right side
    406,577.89x = 132,877,945,373.21
  5. Step 5: Solve for x
    x = 132,877,945,373.21/406,577.89
  6. Step 6: Final answer
    x = 326,820.40

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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.