Home / 1,272,591-1,756,216.62-699,672.60

Finding the Fourth Proportional to 1,272,591, 1,756,216.62 and 699,672.60

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Solution

The fourth proportional to 1,272,591, 1,756,216.62 and 699,672.60 is: 965,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,591 : 1,756,216.62 = 699,672.60 : x
  2. Step 2: Convert to fraction form
    1,272,591/1,756,216.62 = 699,672.60/x
  3. Step 3: Cross multiply
    1,272,591x = 1,756,216.62 × 699,672.60
  4. Step 4: Simplify right side
    1,272,591x = 1,228,776,648,678.61
  5. Step 5: Solve for x
    x = 1,228,776,648,678.61/1,272,591
  6. Step 6: Final answer
    x = 965,570.75

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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.