Home / 403,850.40-557,317.32-222,568.74

Finding the Fourth Proportional to 403,850.40, 557,317.32 and 222,568.74

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Solution

The fourth proportional to 403,850.40, 557,317.32 and 222,568.74 is: 307,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,850.40 : 557,317.32 = 222,568.74 : x
  2. Step 2: Convert to fraction form
    403,850.40/557,317.32 = 222,568.74/x
  3. Step 3: Cross multiply
    403,850.40x = 557,317.32 × 222,568.74
  4. Step 4: Simplify right side
    403,850.40x = 124,041,413,692.58
  5. Step 5: Solve for x
    x = 124,041,413,692.58/403,850.40
  6. Step 6: Final answer
    x = 307,146.94

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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.