Home / 1,290,932.43-1,934,627.16-816,768.96

Finding the Fourth Proportional to 1,290,932.43, 1,934,627.16 and 816,768.96

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Solution

The fourth proportional to 1,290,932.43, 1,934,627.16 and 816,768.96 is: 1,224,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,932.43 : 1,934,627.16 = 816,768.96 : x
  2. Step 2: Convert to fraction form
    1,290,932.43/1,934,627.16 = 816,768.96/x
  3. Step 3: Cross multiply
    1,290,932.43x = 1,934,627.16 × 816,768.96
  4. Step 4: Simplify right side
    1,290,932.43x = 1,580,143,413,460.95
  5. Step 5: Solve for x
    x = 1,580,143,413,460.95/1,290,932.43
  6. Step 6: Final answer
    x = 1,224,032.63

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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.