Home / 1,542,217.45-2,128,326.57-853,889.27

Finding the Fourth Proportional to 1,542,217.45, 2,128,326.57 and 853,889.27

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Solution

The fourth proportional to 1,542,217.45, 2,128,326.57 and 853,889.27 is: 1,178,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,217.45 : 2,128,326.57 = 853,889.27 : x
  2. Step 2: Convert to fraction form
    1,542,217.45/2,128,326.57 = 853,889.27/x
  3. Step 3: Cross multiply
    1,542,217.45x = 2,128,326.57 × 853,889.27
  4. Step 4: Simplify right side
    1,542,217.45x = 1,817,355,221,178.90
  5. Step 5: Solve for x
    x = 1,817,355,221,178.90/1,542,217.45
  6. Step 6: Final answer
    x = 1,178,404.01

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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.