Home / 536,631.90-804,947.85-287,799.90

Finding the Fourth Proportional to 536,631.90, 804,947.85 and 287,799.90

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Solution

The fourth proportional to 536,631.90, 804,947.85 and 287,799.90 is: 431,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,631.90 : 804,947.85 = 287,799.90 : x
  2. Step 2: Convert to fraction form
    536,631.90/804,947.85 = 287,799.90/x
  3. Step 3: Cross multiply
    536,631.90x = 804,947.85 × 287,799.90
  4. Step 4: Simplify right side
    536,631.90x = 231,663,910,735.22
  5. Step 5: Solve for x
    x = 231,663,910,735.22/536,631.90
  6. Step 6: Final answer
    x = 431,699.85

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Similar ratio
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1.5x scale

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.