Home / 607,936.89-838,926.81-335,990.73

Finding the Fourth Proportional to 607,936.89, 838,926.81 and 335,990.73

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Solution

The fourth proportional to 607,936.89, 838,926.81 and 335,990.73 is: 463,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,936.89 : 838,926.81 = 335,990.73 : x
  2. Step 2: Convert to fraction form
    607,936.89/838,926.81 = 335,990.73/x
  3. Step 3: Cross multiply
    607,936.89x = 838,926.81 × 335,990.73
  4. Step 4: Simplify right side
    607,936.89x = 281,871,631,308.47
  5. Step 5: Solve for x
    x = 281,871,631,308.47/607,936.89
  6. Step 6: Final answer
    x = 463,652.78

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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.