Home / 1,260,296.66-1,890,442.11-540,171.42

Finding the Fourth Proportional to 1,260,296.66, 1,890,442.11 and 540,171.42

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Solution

The fourth proportional to 1,260,296.66, 1,890,442.11 and 540,171.42 is: 810,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,296.66 : 1,890,442.11 = 540,171.42 : x
  2. Step 2: Convert to fraction form
    1,260,296.66/1,890,442.11 = 540,171.42/x
  3. Step 3: Cross multiply
    1,260,296.66x = 1,890,442.11 × 540,171.42
  4. Step 4: Simplify right side
    1,260,296.66x = 1,021,162,802,193.27
  5. Step 5: Solve for x
    x = 1,021,162,802,193.27/1,260,296.66
  6. Step 6: Final answer
    x = 810,255.90

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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.