Home / 731,958.42-1,009,872.45-409,617.30

Finding the Fourth Proportional to 731,958.42, 1,009,872.45 and 409,617.30

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Solution

The fourth proportional to 731,958.42, 1,009,872.45 and 409,617.30 is: 565,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,958.42 : 1,009,872.45 = 409,617.30 : x
  2. Step 2: Convert to fraction form
    731,958.42/1,009,872.45 = 409,617.30/x
  3. Step 3: Cross multiply
    731,958.42x = 1,009,872.45 × 409,617.30
  4. Step 4: Simplify right side
    731,958.42x = 413,661,226,313.39
  5. Step 5: Solve for x
    x = 413,661,226,313.39/731,958.42
  6. Step 6: Final answer
    x = 565,143.07

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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.