Home / 1,278,353.01-1,917,791.93-379,714.71

Finding the Fourth Proportional to 1,278,353.01, 1,917,791.93 and 379,714.71

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Solution

The fourth proportional to 1,278,353.01, 1,917,791.93 and 379,714.71 is: 569,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,353.01 : 1,917,791.93 = 379,714.71 : x
  2. Step 2: Convert to fraction form
    1,278,353.01/1,917,791.93 = 379,714.71/x
  3. Step 3: Cross multiply
    1,278,353.01x = 1,917,791.93 × 379,714.71
  4. Step 4: Simplify right side
    1,278,353.01x = 728,213,807,489.58
  5. Step 5: Solve for x
    x = 728,213,807,489.58/1,278,353.01
  6. Step 6: Final answer
    x = 569,650.01

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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.