Home / 1,272,504.47-1,756,089.68-699,559.07

Finding the Fourth Proportional to 1,272,504.47, 1,756,089.68 and 699,559.07

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Solution

The fourth proportional to 1,272,504.47, 1,756,089.68 and 699,559.07 is: 965,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,504.47 : 1,756,089.68 = 699,559.07 : x
  2. Step 2: Convert to fraction form
    1,272,504.47/1,756,089.68 = 699,559.07/x
  3. Step 3: Cross multiply
    1,272,504.47x = 1,756,089.68 × 699,559.07
  4. Step 4: Simplify right side
    1,272,504.47x = 1,228,488,451,099.15
  5. Step 5: Solve for x
    x = 1,228,488,451,099.15/1,272,504.47
  6. Step 6: Final answer
    x = 965,409.93

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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.