Home / 406,898.17-561,577.58-225,650.41

Finding the Fourth Proportional to 406,898.17, 561,577.58 and 225,650.41

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Solution

The fourth proportional to 406,898.17, 561,577.58 and 225,650.41 is: 311,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,898.17 : 561,577.58 = 225,650.41 : x
  2. Step 2: Convert to fraction form
    406,898.17/561,577.58 = 225,650.41/x
  3. Step 3: Cross multiply
    406,898.17x = 561,577.58 × 225,650.41
  4. Step 4: Simplify right side
    406,898.17x = 126,720,211,173.81
  5. Step 5: Solve for x
    x = 126,720,211,173.81/406,898.17
  6. Step 6: Final answer
    x = 311,429.79

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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.