Home / 628,623.38-941,434.25-361,823.05

Finding the Fourth Proportional to 628,623.38, 941,434.25 and 361,823.05

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Solution

The fourth proportional to 628,623.38, 941,434.25 and 361,823.05 is: 541,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,623.38 : 941,434.25 = 361,823.05 : x
  2. Step 2: Convert to fraction form
    628,623.38/941,434.25 = 361,823.05/x
  3. Step 3: Cross multiply
    628,623.38x = 941,434.25 × 361,823.05
  4. Step 4: Simplify right side
    628,623.38x = 340,632,611,077.14
  5. Step 5: Solve for x
    x = 340,632,611,077.14/628,623.38
  6. Step 6: Final answer
    x = 541,870.73

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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.