Home / 1,109,019.64-1,530,441.48-599,720.80

Finding the Fourth Proportional to 1,109,019.64, 1,530,441.48 and 599,720.80

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Solution

The fourth proportional to 1,109,019.64, 1,530,441.48 and 599,720.80 is: 827,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,019.64 : 1,530,441.48 = 599,720.80 : x
  2. Step 2: Convert to fraction form
    1,109,019.64/1,530,441.48 = 599,720.80/x
  3. Step 3: Cross multiply
    1,109,019.64x = 1,530,441.48 × 599,720.80
  4. Step 4: Simplify right side
    1,109,019.64x = 917,837,588,738.78
  5. Step 5: Solve for x
    x = 917,837,588,738.78/1,109,019.64
  6. Step 6: Final answer
    x = 827,611.66

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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.