Home / 403,815.33-557,263.99-222,527.20

Finding the Fourth Proportional to 403,815.33, 557,263.99 and 222,527.20

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Solution

The fourth proportional to 403,815.33, 557,263.99 and 222,527.20 is: 307,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,815.33 : 557,263.99 = 222,527.20 : x
  2. Step 2: Convert to fraction form
    403,815.33/557,263.99 = 222,527.20/x
  3. Step 3: Cross multiply
    403,815.33x = 557,263.99 × 222,527.20
  4. Step 4: Simplify right side
    403,815.33x = 124,006,395,355.53
  5. Step 5: Solve for x
    x = 124,006,395,355.53/403,815.33
  6. Step 6: Final answer
    x = 307,086.89

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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.