Home / 762,471.39-1,143,672.45-335,893.08

Finding the Fourth Proportional to 762,471.39, 1,143,672.45 and 335,893.08

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Solution

The fourth proportional to 762,471.39, 1,143,672.45 and 335,893.08 is: 503,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,471.39 : 1,143,672.45 = 335,893.08 : x
  2. Step 2: Convert to fraction form
    762,471.39/1,143,672.45 = 335,893.08/x
  3. Step 3: Cross multiply
    762,471.39x = 1,143,672.45 × 335,893.08
  4. Step 4: Simplify right side
    762,471.39x = 384,151,661,741.65
  5. Step 5: Solve for x
    x = 384,151,661,741.65/762,471.39
  6. Step 6: Final answer
    x = 503,824.36

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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.