Home / 1,272,597.78-1,756,169.19-699,632.94

Finding the Fourth Proportional to 1,272,597.78, 1,756,169.19 and 699,632.94

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Solution

The fourth proportional to 1,272,597.78, 1,756,169.19 and 699,632.94 is: 965,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,597.78 : 1,756,169.19 = 699,632.94 : x
  2. Step 2: Convert to fraction form
    1,272,597.78/1,756,169.19 = 699,632.94/x
  3. Step 3: Cross multiply
    1,272,597.78x = 1,756,169.19 × 699,632.94
  4. Step 4: Simplify right side
    1,272,597.78x = 1,228,673,813,537.12
  5. Step 5: Solve for x
    x = 1,228,673,813,537.12/1,272,597.78
  6. Step 6: Final answer
    x = 965,484.80

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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.