Home / 404,034.66-557,557.58-222,742.40

Finding the Fourth Proportional to 404,034.66, 557,557.58 and 222,742.40

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Solution

The fourth proportional to 404,034.66, 557,557.58 and 222,742.40 is: 307,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,034.66 : 557,557.58 = 222,742.40 : x
  2. Step 2: Convert to fraction form
    404,034.66/557,557.58 = 222,742.40/x
  3. Step 3: Cross multiply
    404,034.66x = 557,557.58 × 222,742.40
  4. Step 4: Simplify right side
    404,034.66x = 124,191,713,507.39
  5. Step 5: Solve for x
    x = 124,191,713,507.39/404,034.66
  6. Step 6: Final answer
    x = 307,378.86

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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.