Home / 1,128,468.94-1,557,315.78-619,171.18

Finding the Fourth Proportional to 1,128,468.94, 1,557,315.78 and 619,171.18

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Solution

The fourth proportional to 1,128,468.94, 1,557,315.78 and 619,171.18 is: 854,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,468.94 : 1,557,315.78 = 619,171.18 : x
  2. Step 2: Convert to fraction form
    1,128,468.94/1,557,315.78 = 619,171.18/x
  3. Step 3: Cross multiply
    1,128,468.94x = 1,557,315.78 × 619,171.18
  4. Step 4: Simplify right side
    1,128,468.94x = 964,245,049,135.22
  5. Step 5: Solve for x
    x = 964,245,049,135.22/1,128,468.94
  6. Step 6: Final answer
    x = 854,471.94

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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.