Home / 1,005,112.76-1,507,891.49-331,166.84

Finding the Fourth Proportional to 1,005,112.76, 1,507,891.49 and 331,166.84

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Solution

The fourth proportional to 1,005,112.76, 1,507,891.49 and 331,166.84 is: 496,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,112.76 : 1,507,891.49 = 331,166.84 : x
  2. Step 2: Convert to fraction form
    1,005,112.76/1,507,891.49 = 331,166.84/x
  3. Step 3: Cross multiply
    1,005,112.76x = 1,507,891.49 × 331,166.84
  4. Step 4: Simplify right side
    1,005,112.76x = 499,363,658,150.36
  5. Step 5: Solve for x
    x = 499,363,658,150.36/1,005,112.76
  6. Step 6: Final answer
    x = 496,823.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.