Home / 1,272,589.73-1,756,185.74-699,634

Finding the Fourth Proportional to 1,272,589.73, 1,756,185.74 and 699,634

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Solution

The fourth proportional to 1,272,589.73, 1,756,185.74 and 699,634 is: 965,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,589.73 : 1,756,185.74 = 699,634 : x
  2. Step 2: Convert to fraction form
    1,272,589.73/1,756,185.74 = 699,634/x
  3. Step 3: Cross multiply
    1,272,589.73x = 1,756,185.74 × 699,634
  4. Step 4: Simplify right side
    1,272,589.73x = 1,228,687,254,019.16
  5. Step 5: Solve for x
    x = 1,228,687,254,019.16/1,272,589.73
  6. Step 6: Final answer
    x = 965,501.47

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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.