Home / 753,237.92-1,039,464.78-409,071.44

Finding the Fourth Proportional to 753,237.92, 1,039,464.78 and 409,071.44

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Solution

The fourth proportional to 753,237.92, 1,039,464.78 and 409,071.44 is: 564,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,237.92 : 1,039,464.78 = 409,071.44 : x
  2. Step 2: Convert to fraction form
    753,237.92/1,039,464.78 = 409,071.44/x
  3. Step 3: Cross multiply
    753,237.92x = 1,039,464.78 × 409,071.44
  4. Step 4: Simplify right side
    753,237.92x = 425,215,354,383.88
  5. Step 5: Solve for x
    x = 425,215,354,383.88/753,237.92
  6. Step 6: Final answer
    x = 564,516.66

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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.