Home / 403,629.84-557,006.58-222,337.56

Finding the Fourth Proportional to 403,629.84, 557,006.58 and 222,337.56

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Solution

The fourth proportional to 403,629.84, 557,006.58 and 222,337.56 is: 306,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,629.84 : 557,006.58 = 222,337.56 : x
  2. Step 2: Convert to fraction form
    403,629.84/557,006.58 = 222,337.56/x
  3. Step 3: Cross multiply
    403,629.84x = 557,006.58 × 222,337.56
  4. Step 4: Simplify right side
    403,629.84x = 123,843,483,901.15
  5. Step 5: Solve for x
    x = 123,843,483,901.15/403,629.84
  6. Step 6: Final answer
    x = 306,824.40

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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.