Home / 403,845.84-557,311.03-222,564.39

Finding the Fourth Proportional to 403,845.84, 557,311.03 and 222,564.39

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Solution

The fourth proportional to 403,845.84, 557,311.03 and 222,564.39 is: 307,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,845.84 : 557,311.03 = 222,564.39 : x
  2. Step 2: Convert to fraction form
    403,845.84/557,311.03 = 222,564.39/x
  3. Step 3: Cross multiply
    403,845.84x = 557,311.03 × 222,564.39
  4. Step 4: Simplify right side
    403,845.84x = 124,037,589,432.22
  5. Step 5: Solve for x
    x = 124,037,589,432.22/403,845.84
  6. Step 6: Final answer
    x = 307,140.94

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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.