Home / 389,899.33-537,836.60-234,742.77

Finding the Fourth Proportional to 389,899.33, 537,836.60 and 234,742.77

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Solution

The fourth proportional to 389,899.33, 537,836.60 and 234,742.77 is: 323,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,899.33 : 537,836.60 = 234,742.77 : x
  2. Step 2: Convert to fraction form
    389,899.33/537,836.60 = 234,742.77/x
  3. Step 3: Cross multiply
    389,899.33x = 537,836.60 × 234,742.77
  4. Step 4: Simplify right side
    389,899.33x = 126,253,253,878.24
  5. Step 5: Solve for x
    x = 126,253,253,878.24/389,899.33
  6. Step 6: Final answer
    x = 323,809.88

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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.