Home / 615,936.20-923,213.10-349,824.20

Finding the Fourth Proportional to 615,936.20, 923,213.10 and 349,824.20

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Solution

The fourth proportional to 615,936.20, 923,213.10 and 349,824.20 is: 524,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,936.20 : 923,213.10 = 349,824.20 : x
  2. Step 2: Convert to fraction form
    615,936.20/923,213.10 = 349,824.20/x
  3. Step 3: Cross multiply
    615,936.20x = 923,213.10 × 349,824.20
  4. Step 4: Simplify right side
    615,936.20x = 322,962,284,137.02
  5. Step 5: Solve for x
    x = 322,962,284,137.02/615,936.20
  6. Step 6: Final answer
    x = 524,343.73

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Double scale
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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.