Home / 1,543,043.97-2,129,353.79-854,688.69

Finding the Fourth Proportional to 1,543,043.97, 2,129,353.79 and 854,688.69

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Solution

The fourth proportional to 1,543,043.97, 2,129,353.79 and 854,688.69 is: 1,179,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,043.97 : 2,129,353.79 = 854,688.69 : x
  2. Step 2: Convert to fraction form
    1,543,043.97/2,129,353.79 = 854,688.69/x
  3. Step 3: Cross multiply
    1,543,043.97x = 2,129,353.79 × 854,688.69
  4. Step 4: Simplify right side
    1,543,043.97x = 1,819,934,597,048.19
  5. Step 5: Solve for x
    x = 1,819,934,597,048.19/1,543,043.97
  6. Step 6: Final answer
    x = 1,179,444.42

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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.