Home / 1,277,997.46-1,915,986.12-637,972.72

Finding the Fourth Proportional to 1,277,997.46, 1,915,986.12 and 637,972.72

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Solution

The fourth proportional to 1,277,997.46, 1,915,986.12 and 637,972.72 is: 956,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,997.46 : 1,915,986.12 = 637,972.72 : x
  2. Step 2: Convert to fraction form
    1,277,997.46/1,915,986.12 = 637,972.72/x
  3. Step 3: Cross multiply
    1,277,997.46x = 1,915,986.12 × 637,972.72
  4. Step 4: Simplify right side
    1,277,997.46x = 1,222,346,876,458.65
  5. Step 5: Solve for x
    x = 1,222,346,876,458.65/1,277,997.46
  6. Step 6: Final answer
    x = 956,454.86

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Similar ratio
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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.