Home / 1,278,781.56-1,915,710.48-799,196.76

Finding the Fourth Proportional to 1,278,781.56, 1,915,710.48 and 799,196.76

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Solution

The fourth proportional to 1,278,781.56, 1,915,710.48 and 799,196.76 is: 1,197,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,781.56 : 1,915,710.48 = 799,196.76 : x
  2. Step 2: Convert to fraction form
    1,278,781.56/1,915,710.48 = 799,196.76/x
  3. Step 3: Cross multiply
    1,278,781.56x = 1,915,710.48 × 799,196.76
  4. Step 4: Simplify right side
    1,278,781.56x = 1,531,029,608,714.05
  5. Step 5: Solve for x
    x = 1,531,029,608,714.05/1,278,781.56
  6. Step 6: Final answer
    x = 1,197,256.56

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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.