Home / 762,691.27-1,052,511.09-418,533

Finding the Fourth Proportional to 762,691.27, 1,052,511.09 and 418,533

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Solution

The fourth proportional to 762,691.27, 1,052,511.09 and 418,533 is: 577,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,691.27 : 1,052,511.09 = 418,533 : x
  2. Step 2: Convert to fraction form
    762,691.27/1,052,511.09 = 418,533/x
  3. Step 3: Cross multiply
    762,691.27x = 1,052,511.09 × 418,533
  4. Step 4: Simplify right side
    762,691.27x = 440,510,624,030.97
  5. Step 5: Solve for x
    x = 440,510,624,030.97/762,691.27
  6. Step 6: Final answer
    x = 577,573.97

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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.