Home / 903,262.38-1,355,418.44-404,626.38

Finding the Fourth Proportional to 903,262.38, 1,355,418.44 and 404,626.38

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Solution

The fourth proportional to 903,262.38, 1,355,418.44 and 404,626.38 is: 607,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,262.38 : 1,355,418.44 = 404,626.38 : x
  2. Step 2: Convert to fraction form
    903,262.38/1,355,418.44 = 404,626.38/x
  3. Step 3: Cross multiply
    903,262.38x = 1,355,418.44 × 404,626.38
  4. Step 4: Simplify right side
    903,262.38x = 548,438,056,762.45
  5. Step 5: Solve for x
    x = 548,438,056,762.45/903,262.38
  6. Step 6: Final answer
    x = 607,174.69

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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.