Home / 609,623.40-913,787.10-293,874.60

Finding the Fourth Proportional to 609,623.40, 913,787.10 and 293,874.60

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Solution

The fourth proportional to 609,623.40, 913,787.10 and 293,874.60 is: 440,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,623.40 : 913,787.10 = 293,874.60 : x
  2. Step 2: Convert to fraction form
    609,623.40/913,787.10 = 293,874.60/x
  3. Step 3: Cross multiply
    609,623.40x = 913,787.10 × 293,874.60
  4. Step 4: Simplify right side
    609,623.40x = 268,538,818,497.66
  5. Step 5: Solve for x
    x = 268,538,818,497.66/609,623.40
  6. Step 6: Final answer
    x = 440,499.53

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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.