Home / 1,541,272.32-2,126,952.72-862,208.82

Finding the Fourth Proportional to 1,541,272.32, 2,126,952.72 and 862,208.82

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Solution

The fourth proportional to 1,541,272.32, 2,126,952.72 and 862,208.82 is: 1,189,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,272.32 : 2,126,952.72 = 862,208.82 : x
  2. Step 2: Convert to fraction form
    1,541,272.32/2,126,952.72 = 862,208.82/x
  3. Step 3: Cross multiply
    1,541,272.32x = 2,126,952.72 × 862,208.82
  4. Step 4: Simplify right side
    1,541,272.32x = 1,833,877,394,906.99
  5. Step 5: Solve for x
    x = 1,833,877,394,906.99/1,541,272.32
  6. Step 6: Final answer
    x = 1,189,846.45

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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.