Home / 400,254.06-600,381.12-189,777.18

Finding the Fourth Proportional to 400,254.06, 600,381.12 and 189,777.18

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Solution

The fourth proportional to 400,254.06, 600,381.12 and 189,777.18 is: 284,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,254.06 : 600,381.12 = 189,777.18 : x
  2. Step 2: Convert to fraction form
    400,254.06/600,381.12 = 189,777.18/x
  3. Step 3: Cross multiply
    400,254.06x = 600,381.12 × 189,777.18
  4. Step 4: Simplify right side
    400,254.06x = 113,938,635,878.84
  5. Step 5: Solve for x
    x = 113,938,635,878.84/400,254.06
  6. Step 6: Final answer
    x = 284,665.78

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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.