Home / 851,379.15-1,174,912.41-464,191.42

Finding the Fourth Proportional to 851,379.15, 1,174,912.41 and 464,191.42

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Solution

The fourth proportional to 851,379.15, 1,174,912.41 and 464,191.42 is: 640,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,379.15 : 1,174,912.41 = 464,191.42 : x
  2. Step 2: Convert to fraction form
    851,379.15/1,174,912.41 = 464,191.42/x
  3. Step 3: Cross multiply
    851,379.15x = 1,174,912.41 × 464,191.42
  4. Step 4: Simplify right side
    851,379.15x = 545,384,259,973.52
  5. Step 5: Solve for x
    x = 545,384,259,973.52/851,379.15
  6. Step 6: Final answer
    x = 640,589.17

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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.