Home / 400,033.03-600,003.35-100,490.83

Finding the Fourth Proportional to 400,033.03, 600,003.35 and 100,490.83

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Solution

The fourth proportional to 400,033.03, 600,003.35 and 100,490.83 is: 150,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,033.03 : 600,003.35 = 100,490.83 : x
  2. Step 2: Convert to fraction form
    400,033.03/600,003.35 = 100,490.83/x
  3. Step 3: Cross multiply
    400,033.03x = 600,003.35 × 100,490.83
  4. Step 4: Simplify right side
    400,033.03x = 60,294,833,018.66
  5. Step 5: Solve for x
    x = 60,294,833,018.66/400,033.03
  6. Step 6: Final answer
    x = 150,724.64

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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.