Home / 1,009,728.96-1,393,177.44-617,162.56

Finding the Fourth Proportional to 1,009,728.96, 1,393,177.44 and 617,162.56

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Solution

The fourth proportional to 1,009,728.96, 1,393,177.44 and 617,162.56 is: 851,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,728.96 : 1,393,177.44 = 617,162.56 : x
  2. Step 2: Convert to fraction form
    1,009,728.96/1,393,177.44 = 617,162.56/x
  3. Step 3: Cross multiply
    1,009,728.96x = 1,393,177.44 × 617,162.56
  4. Step 4: Simplify right side
    1,009,728.96x = 859,816,955,404.65
  5. Step 5: Solve for x
    x = 859,816,955,404.65/1,009,728.96
  6. Step 6: Final answer
    x = 851,532.43

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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.