Home / 1,272,613.41-1,756,218.51-699,657.75

Finding the Fourth Proportional to 1,272,613.41, 1,756,218.51 and 699,657.75

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Solution

The fourth proportional to 1,272,613.41, 1,756,218.51 and 699,657.75 is: 965,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,613.41 : 1,756,218.51 = 699,657.75 : x
  2. Step 2: Convert to fraction form
    1,272,613.41/1,756,218.51 = 699,657.75/x
  3. Step 3: Cross multiply
    1,272,613.41x = 1,756,218.51 × 699,657.75
  4. Step 4: Simplify right side
    1,272,613.41x = 1,228,751,891,214.95
  5. Step 5: Solve for x
    x = 1,228,751,891,214.95/1,272,613.41
  6. Step 6: Final answer
    x = 965,534.29

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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.