Home / 404,120.54-557,681.90-222,848.40

Finding the Fourth Proportional to 404,120.54, 557,681.90 and 222,848.40

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Solution

The fourth proportional to 404,120.54, 557,681.90 and 222,848.40 is: 307,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,120.54 : 557,681.90 = 222,848.40 : x
  2. Step 2: Convert to fraction form
    404,120.54/557,681.90 = 222,848.40/x
  3. Step 3: Cross multiply
    404,120.54x = 557,681.90 × 222,848.40
  4. Step 4: Simplify right side
    404,120.54x = 124,278,519,123.96
  5. Step 5: Solve for x
    x = 124,278,519,123.96/404,120.54
  6. Step 6: Final answer
    x = 307,528.34

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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.