Home / 762,772.50-1,052,626.05-423,295.38

Finding the Fourth Proportional to 762,772.50, 1,052,626.05 and 423,295.38

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Solution

The fourth proportional to 762,772.50, 1,052,626.05 and 423,295.38 is: 584,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,772.50 : 1,052,626.05 = 423,295.38 : x
  2. Step 2: Convert to fraction form
    762,772.50/1,052,626.05 = 423,295.38/x
  3. Step 3: Cross multiply
    762,772.50x = 1,052,626.05 × 423,295.38
  4. Step 4: Simplify right side
    762,772.50x = 445,571,743,832.65
  5. Step 5: Solve for x
    x = 445,571,743,832.65/762,772.50
  6. Step 6: Final answer
    x = 584,147.62

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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.