Home / 1,272,653.19-1,756,216.22-699,689.19

Finding the Fourth Proportional to 1,272,653.19, 1,756,216.22 and 699,689.19

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Solution

The fourth proportional to 1,272,653.19, 1,756,216.22 and 699,689.19 is: 965,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,653.19 : 1,756,216.22 = 699,689.19 : x
  2. Step 2: Convert to fraction form
    1,272,653.19/1,756,216.22 = 699,689.19/x
  3. Step 3: Cross multiply
    1,272,653.19x = 1,756,216.22 × 699,689.19
  4. Step 4: Simplify right side
    1,272,653.19x = 1,228,805,500,938.22
  5. Step 5: Solve for x
    x = 1,228,805,500,938.22/1,272,653.19
  6. Step 6: Final answer
    x = 965,546.24

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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.