Home / 919,593.77-1,379,391.41-439,708.66

Finding the Fourth Proportional to 919,593.77, 1,379,391.41 and 439,708.66

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Solution

The fourth proportional to 919,593.77, 1,379,391.41 and 439,708.66 is: 659,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,593.77 : 1,379,391.41 = 439,708.66 : x
  2. Step 2: Convert to fraction form
    919,593.77/1,379,391.41 = 439,708.66/x
  3. Step 3: Cross multiply
    919,593.77x = 1,379,391.41 × 439,708.66
  4. Step 4: Simplify right side
    919,593.77x = 606,530,346,157.40
  5. Step 5: Solve for x
    x = 606,530,346,157.40/919,593.77
  6. Step 6: Final answer
    x = 659,563.35

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1.5x scale

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.