Home / 1,178,268.75-1,626,010.88-641,724.75

Finding the Fourth Proportional to 1,178,268.75, 1,626,010.88 and 641,724.75

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Solution

The fourth proportional to 1,178,268.75, 1,626,010.88 and 641,724.75 is: 885,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,268.75 : 1,626,010.88 = 641,724.75 : x
  2. Step 2: Convert to fraction form
    1,178,268.75/1,626,010.88 = 641,724.75/x
  3. Step 3: Cross multiply
    1,178,268.75x = 1,626,010.88 × 641,724.75
  4. Step 4: Simplify right side
    1,178,268.75x = 1,043,451,422,256.66
  5. Step 5: Solve for x
    x = 1,043,451,422,256.66/1,178,268.75
  6. Step 6: Final answer
    x = 885,580.16

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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.