Home / 403,762.90-557,185.32-222,491.38

Finding the Fourth Proportional to 403,762.90, 557,185.32 and 222,491.38

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Solution

The fourth proportional to 403,762.90, 557,185.32 and 222,491.38 is: 307,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,762.90 : 557,185.32 = 222,491.38 : x
  2. Step 2: Convert to fraction form
    403,762.90/557,185.32 = 222,491.38/x
  3. Step 3: Cross multiply
    403,762.90x = 557,185.32 × 222,491.38
  4. Step 4: Simplify right side
    403,762.90x = 123,968,930,762.54
  5. Step 5: Solve for x
    x = 123,968,930,762.54/403,762.90
  6. Step 6: Final answer
    x = 307,033.98

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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.