Home / 1,138,810.74-1,571,504.53-622,591.26

Finding the Fourth Proportional to 1,138,810.74, 1,571,504.53 and 622,591.26

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Solution

The fourth proportional to 1,138,810.74, 1,571,504.53 and 622,591.26 is: 859,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,810.74 : 1,571,504.53 = 622,591.26 : x
  2. Step 2: Convert to fraction form
    1,138,810.74/1,571,504.53 = 622,591.26/x
  3. Step 3: Cross multiply
    1,138,810.74x = 1,571,504.53 × 622,591.26
  4. Step 4: Simplify right side
    1,138,810.74x = 978,404,985,428.41
  5. Step 5: Solve for x
    x = 978,404,985,428.41/1,138,810.74
  6. Step 6: Final answer
    x = 859,146.26

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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.