Home / 1,419,370.59-2,129,055.69-783,716.06

Finding the Fourth Proportional to 1,419,370.59, 2,129,055.69 and 783,716.06

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Solution

The fourth proportional to 1,419,370.59, 2,129,055.69 and 783,716.06 is: 1,175,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,370.59 : 2,129,055.69 = 783,716.06 : x
  2. Step 2: Convert to fraction form
    1,419,370.59/2,129,055.69 = 783,716.06/x
  3. Step 3: Cross multiply
    1,419,370.59x = 2,129,055.69 × 783,716.06
  4. Step 4: Simplify right side
    1,419,370.59x = 1,668,575,128,764.61
  5. Step 5: Solve for x
    x = 1,668,575,128,764.61/1,419,370.59
  6. Step 6: Final answer
    x = 1,175,573.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.