Home / 1,103,171.72-1,522,367.79-619,726.48

Finding the Fourth Proportional to 1,103,171.72, 1,522,367.79 and 619,726.48

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Solution

The fourth proportional to 1,103,171.72, 1,522,367.79 and 619,726.48 is: 855,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,171.72 : 1,522,367.79 = 619,726.48 : x
  2. Step 2: Convert to fraction form
    1,103,171.72/1,522,367.79 = 619,726.48/x
  3. Step 3: Cross multiply
    1,103,171.72x = 1,522,367.79 × 619,726.48
  4. Step 4: Simplify right side
    1,103,171.72x = 943,451,631,762.08
  5. Step 5: Solve for x
    x = 943,451,631,762.08/1,103,171.72
  6. Step 6: Final answer
    x = 855,217.38

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1.5x scale

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.