Home / 762,877.92-1,052,761.68-423,338.88

Finding the Fourth Proportional to 762,877.92, 1,052,761.68 and 423,338.88

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Solution

The fourth proportional to 762,877.92, 1,052,761.68 and 423,338.88 is: 584,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,877.92 : 1,052,761.68 = 423,338.88 : x
  2. Step 2: Convert to fraction form
    762,877.92/1,052,761.68 = 423,338.88/x
  3. Step 3: Cross multiply
    762,877.92x = 1,052,761.68 × 423,338.88
  4. Step 4: Simplify right side
    762,877.92x = 445,674,950,518.12
  5. Step 5: Solve for x
    x = 445,674,950,518.12/762,877.92
  6. Step 6: Final answer
    x = 584,202.19

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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.