Home / 526,548.30-789,822.45-260,827.80

Finding the Fourth Proportional to 526,548.30, 789,822.45 and 260,827.80

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Solution

The fourth proportional to 526,548.30, 789,822.45 and 260,827.80 is: 391,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,548.30 : 789,822.45 = 260,827.80 : x
  2. Step 2: Convert to fraction form
    526,548.30/789,822.45 = 260,827.80/x
  3. Step 3: Cross multiply
    526,548.30x = 789,822.45 × 260,827.80
  4. Step 4: Simplify right side
    526,548.30x = 206,007,652,024.11
  5. Step 5: Solve for x
    x = 206,007,652,024.11/526,548.30
  6. Step 6: Final answer
    x = 391,241.70

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Double scale
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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.