Home / 1,361,971.16-1,879,605.52-750,123.78

Finding the Fourth Proportional to 1,361,971.16, 1,879,605.52 and 750,123.78

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Solution

The fourth proportional to 1,361,971.16, 1,879,605.52 and 750,123.78 is: 1,035,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,971.16 : 1,879,605.52 = 750,123.78 : x
  2. Step 2: Convert to fraction form
    1,361,971.16/1,879,605.52 = 750,123.78/x
  3. Step 3: Cross multiply
    1,361,971.16x = 1,879,605.52 × 750,123.78
  4. Step 4: Simplify right side
    1,361,971.16x = 1,409,936,797,571.27
  5. Step 5: Solve for x
    x = 1,409,936,797,571.27/1,361,971.16
  6. Step 6: Final answer
    x = 1,035,217.81

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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.