Home / 1,412,689.86-1,949,458.26-768,110.58

Finding the Fourth Proportional to 1,412,689.86, 1,949,458.26 and 768,110.58

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Solution

The fourth proportional to 1,412,689.86, 1,949,458.26 and 768,110.58 is: 1,059,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,689.86 : 1,949,458.26 = 768,110.58 : x
  2. Step 2: Convert to fraction form
    1,412,689.86/1,949,458.26 = 768,110.58/x
  3. Step 3: Cross multiply
    1,412,689.86x = 1,949,458.26 × 768,110.58
  4. Step 4: Simplify right side
    1,412,689.86x = 1,497,399,514,774.39
  5. Step 5: Solve for x
    x = 1,497,399,514,774.39/1,412,689.86
  6. Step 6: Final answer
    x = 1,059,963.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.