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Finding the Fourth Proportional to 1,295,944.38, 1,788,400.62 and 722,950.38

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Solution

The fourth proportional to 1,295,944.38, 1,788,400.62 and 722,950.38 is: 997,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,944.38 : 1,788,400.62 = 722,950.38 : x
  2. Step 2: Convert to fraction form
    1,295,944.38/1,788,400.62 = 722,950.38/x
  3. Step 3: Cross multiply
    1,295,944.38x = 1,788,400.62 × 722,950.38
  4. Step 4: Simplify right side
    1,295,944.38x = 1,292,924,907,821.24
  5. Step 5: Solve for x
    x = 1,292,924,907,821.24/1,295,944.38
  6. Step 6: Final answer
    x = 997,670.06

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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.