Home / 923,891.22-1,385,840.04-284,190.62

Finding the Fourth Proportional to 923,891.22, 1,385,840.04 and 284,190.62

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Solution

The fourth proportional to 923,891.22, 1,385,840.04 and 284,190.62 is: 426,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,891.22 : 1,385,840.04 = 284,190.62 : x
  2. Step 2: Convert to fraction form
    923,891.22/1,385,840.04 = 284,190.62/x
  3. Step 3: Cross multiply
    923,891.22x = 1,385,840.04 × 284,190.62
  4. Step 4: Simplify right side
    923,891.22x = 393,842,733,259.23
  5. Step 5: Solve for x
    x = 393,842,733,259.23/923,891.22
  6. Step 6: Final answer
    x = 426,286.91

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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.