Home / 1,264,500.20-1,892,813.70-1,225,134.20

Finding the Fourth Proportional to 1,264,500.20, 1,892,813.70 and 1,225,134.20

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Solution

The fourth proportional to 1,264,500.20, 1,892,813.70 and 1,225,134.20 is: 1,833,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,500.20 : 1,892,813.70 = 1,225,134.20 : x
  2. Step 2: Convert to fraction form
    1,264,500.20/1,892,813.70 = 1,225,134.20/x
  3. Step 3: Cross multiply
    1,264,500.20x = 1,892,813.70 × 1,225,134.20
  4. Step 4: Simplify right side
    1,264,500.20x = 2,318,950,798,098.54
  5. Step 5: Solve for x
    x = 2,318,950,798,098.54/1,264,500.20
  6. Step 6: Final answer
    x = 1,833,887.25

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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.