Home / 1,093,778.60-1,640,667.90-828,058.10

Finding the Fourth Proportional to 1,093,778.60, 1,640,667.90 and 828,058.10

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Solution

The fourth proportional to 1,093,778.60, 1,640,667.90 and 828,058.10 is: 1,242,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,778.60 : 1,640,667.90 = 828,058.10 : x
  2. Step 2: Convert to fraction form
    1,093,778.60/1,640,667.90 = 828,058.10/x
  3. Step 3: Cross multiply
    1,093,778.60x = 1,640,667.90 × 828,058.10
  4. Step 4: Simplify right side
    1,093,778.60x = 1,358,568,344,004.99
  5. Step 5: Solve for x
    x = 1,358,568,344,004.99/1,093,778.60
  6. Step 6: Final answer
    x = 1,242,087.15

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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.