Home / 1,625,515.71-2,438,377.44-545,984.56

Finding the Fourth Proportional to 1,625,515.71, 2,438,377.44 and 545,984.56

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Solution

The fourth proportional to 1,625,515.71, 2,438,377.44 and 545,984.56 is: 819,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,515.71 : 2,438,377.44 = 545,984.56 : x
  2. Step 2: Convert to fraction form
    1,625,515.71/2,438,377.44 = 545,984.56/x
  3. Step 3: Cross multiply
    1,625,515.71x = 2,438,377.44 × 545,984.56
  4. Step 4: Simplify right side
    1,625,515.71x = 1,331,316,433,692.33
  5. Step 5: Solve for x
    x = 1,331,316,433,692.33/1,625,515.71
  6. Step 6: Final answer
    x = 819,011.73

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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.