Home / 404,084.18-557,640.52-220,321.24

Finding the Fourth Proportional to 404,084.18, 557,640.52 and 220,321.24

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Solution

The fourth proportional to 404,084.18, 557,640.52 and 220,321.24 is: 304,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,084.18 : 557,640.52 = 220,321.24 : x
  2. Step 2: Convert to fraction form
    404,084.18/557,640.52 = 220,321.24/x
  3. Step 3: Cross multiply
    404,084.18x = 557,640.52 × 220,321.24
  4. Step 4: Simplify right side
    404,084.18x = 122,860,048,895.74
  5. Step 5: Solve for x
    x = 122,860,048,895.74/404,084.18
  6. Step 6: Final answer
    x = 304,045.68

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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.