Home / 578,808.29-868,310.08-199,627.60

Finding the Fourth Proportional to 578,808.29, 868,310.08 and 199,627.60

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Solution

The fourth proportional to 578,808.29, 868,310.08 and 199,627.60 is: 299,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,808.29 : 868,310.08 = 199,627.60 : x
  2. Step 2: Convert to fraction form
    578,808.29/868,310.08 = 199,627.60/x
  3. Step 3: Cross multiply
    578,808.29x = 868,310.08 × 199,627.60
  4. Step 4: Simplify right side
    578,808.29x = 173,338,657,326.21
  5. Step 5: Solve for x
    x = 173,338,657,326.21/578,808.29
  6. Step 6: Final answer
    x = 299,475.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.