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Finding the Fourth Proportional to 1,337,759.34, 1,845,582.36 and 764,491.98

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Solution

The fourth proportional to 1,337,759.34, 1,845,582.36 and 764,491.98 is: 1,054,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,759.34 : 1,845,582.36 = 764,491.98 : x
  2. Step 2: Convert to fraction form
    1,337,759.34/1,845,582.36 = 764,491.98/x
  3. Step 3: Cross multiply
    1,337,759.34x = 1,845,582.36 × 764,491.98
  4. Step 4: Simplify right side
    1,337,759.34x = 1,410,932,912,649.47
  5. Step 5: Solve for x
    x = 1,410,932,912,649.47/1,337,759.34
  6. Step 6: Final answer
    x = 1,054,698.61

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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.