Home / 1,272,594.86-1,756,181.79-699,644.78

Finding the Fourth Proportional to 1,272,594.86, 1,756,181.79 and 699,644.78

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Solution

The fourth proportional to 1,272,594.86, 1,756,181.79 and 699,644.78 is: 965,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,594.86 : 1,756,181.79 = 699,644.78 : x
  2. Step 2: Convert to fraction form
    1,272,594.86/1,756,181.79 = 699,644.78/x
  3. Step 3: Cross multiply
    1,272,594.86x = 1,756,181.79 × 699,644.78
  4. Step 4: Simplify right side
    1,272,594.86x = 1,228,703,422,104.56
  5. Step 5: Solve for x
    x = 1,228,703,422,104.56/1,272,594.86
  6. Step 6: Final answer
    x = 965,510.28

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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.