Home / 1,272,653.28-1,756,216.34-699,689.28

Finding the Fourth Proportional to 1,272,653.28, 1,756,216.34 and 699,689.28

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Solution

The fourth proportional to 1,272,653.28, 1,756,216.34 and 699,689.28 is: 965,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,653.28 : 1,756,216.34 = 699,689.28 : x
  2. Step 2: Convert to fraction form
    1,272,653.28/1,756,216.34 = 699,689.28/x
  3. Step 3: Cross multiply
    1,272,653.28x = 1,756,216.34 × 699,689.28
  4. Step 4: Simplify right side
    1,272,653.28x = 1,228,805,755,668.48
  5. Step 5: Solve for x
    x = 1,228,805,755,668.48/1,272,653.28
  6. Step 6: Final answer
    x = 965,546.37

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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.