Home / 718,203.51-1,077,305.27-185,778.36

Finding the Fourth Proportional to 718,203.51, 1,077,305.27 and 185,778.36

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Solution

The fourth proportional to 718,203.51, 1,077,305.27 and 185,778.36 is: 278,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,203.51 : 1,077,305.27 = 185,778.36 : x
  2. Step 2: Convert to fraction form
    718,203.51/1,077,305.27 = 185,778.36/x
  3. Step 3: Cross multiply
    718,203.51x = 1,077,305.27 × 185,778.36
  4. Step 4: Simplify right side
    718,203.51x = 200,140,005,351.07
  5. Step 5: Solve for x
    x = 200,140,005,351.07/718,203.51
  6. Step 6: Final answer
    x = 278,667.54

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Similar ratio
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1.5x scale

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.