Home / 821,786.14-1,134,177.42-472,919.32

Finding the Fourth Proportional to 821,786.14, 1,134,177.42 and 472,919.32

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Solution

The fourth proportional to 821,786.14, 1,134,177.42 and 472,919.32 is: 652,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,786.14 : 1,134,177.42 = 472,919.32 : x
  2. Step 2: Convert to fraction form
    821,786.14/1,134,177.42 = 472,919.32/x
  3. Step 3: Cross multiply
    821,786.14x = 1,134,177.42 × 472,919.32
  4. Step 4: Simplify right side
    821,786.14x = 536,374,414,225.75
  5. Step 5: Solve for x
    x = 536,374,414,225.75/821,786.14
  6. Step 6: Final answer
    x = 652,693.43

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1.5x scale

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.