Home / 438,107.80-658,544.10-404,930.20

Finding the Fourth Proportional to 438,107.80, 658,544.10 and 404,930.20

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Solution

The fourth proportional to 438,107.80, 658,544.10 and 404,930.20 is: 608,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,107.80 : 658,544.10 = 404,930.20 : x
  2. Step 2: Convert to fraction form
    438,107.80/658,544.10 = 404,930.20/x
  3. Step 3: Cross multiply
    438,107.80x = 658,544.10 × 404,930.20
  4. Step 4: Simplify right side
    438,107.80x = 266,664,394,121.82
  5. Step 5: Solve for x
    x = 266,664,394,121.82/438,107.80
  6. Step 6: Final answer
    x = 608,673.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.