Home / 1,253,174.40-1,879,761.60-623,318.40

Finding the Fourth Proportional to 1,253,174.40, 1,879,761.60 and 623,318.40

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Solution

The fourth proportional to 1,253,174.40, 1,879,761.60 and 623,318.40 is: 934,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,174.40 : 1,879,761.60 = 623,318.40 : x
  2. Step 2: Convert to fraction form
    1,253,174.40/1,879,761.60 = 623,318.40/x
  3. Step 3: Cross multiply
    1,253,174.40x = 1,879,761.60 × 623,318.40
  4. Step 4: Simplify right side
    1,253,174.40x = 1,171,689,992,893.44
  5. Step 5: Solve for x
    x = 1,171,689,992,893.44/1,253,174.40
  6. Step 6: Final answer
    x = 934,977.60

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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.