Home / 1,269,849.86-1,752,276.93-753,514.64

Finding the Fourth Proportional to 1,269,849.86, 1,752,276.93 and 753,514.64

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Solution

The fourth proportional to 1,269,849.86, 1,752,276.93 and 753,514.64 is: 1,039,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,849.86 : 1,752,276.93 = 753,514.64 : x
  2. Step 2: Convert to fraction form
    1,269,849.86/1,752,276.93 = 753,514.64/x
  3. Step 3: Cross multiply
    1,269,849.86x = 1,752,276.93 × 753,514.64
  4. Step 4: Simplify right side
    1,269,849.86x = 1,320,366,320,089.26
  5. Step 5: Solve for x
    x = 1,320,366,320,089.26/1,269,849.86
  6. Step 6: Final answer
    x = 1,039,781.44

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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.