Home / 818,334.16-1,227,504.44-285,853.04

Finding the Fourth Proportional to 818,334.16, 1,227,504.44 and 285,853.04

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Solution

The fourth proportional to 818,334.16, 1,227,504.44 and 285,853.04 is: 428,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,334.16 : 1,227,504.44 = 285,853.04 : x
  2. Step 2: Convert to fraction form
    818,334.16/1,227,504.44 = 285,853.04/x
  3. Step 3: Cross multiply
    818,334.16x = 1,227,504.44 × 285,853.04
  4. Step 4: Simplify right side
    818,334.16x = 350,885,875,787.50
  5. Step 5: Solve for x
    x = 350,885,875,787.50/818,334.16
  6. Step 6: Final answer
    x = 428,780.68

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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.