Home / 611,811.16-844,310.46-343,548.76

Finding the Fourth Proportional to 611,811.16, 844,310.46 and 343,548.76

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Solution

The fourth proportional to 611,811.16, 844,310.46 and 343,548.76 is: 474,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,811.16 : 844,310.46 = 343,548.76 : x
  2. Step 2: Convert to fraction form
    611,811.16/844,310.46 = 343,548.76/x
  3. Step 3: Cross multiply
    611,811.16x = 844,310.46 × 343,548.76
  4. Step 4: Simplify right side
    611,811.16x = 290,061,811,588.03
  5. Step 5: Solve for x
    x = 290,061,811,588.03/611,811.16
  6. Step 6: Final answer
    x = 474,103.50

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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.