Home / 813,799.56-1,122,998.50-451,202.28

Finding the Fourth Proportional to 813,799.56, 1,122,998.50 and 451,202.28

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Solution

The fourth proportional to 813,799.56, 1,122,998.50 and 451,202.28 is: 622,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,799.56 : 1,122,998.50 = 451,202.28 : x
  2. Step 2: Convert to fraction form
    813,799.56/1,122,998.50 = 451,202.28/x
  3. Step 3: Cross multiply
    813,799.56x = 1,122,998.50 × 451,202.28
  4. Step 4: Simplify right side
    813,799.56x = 506,699,483,636.58
  5. Step 5: Solve for x
    x = 506,699,483,636.58/813,799.56
  6. Step 6: Final answer
    x = 622,634.26

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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.