Home / 874,720.50-1,207,126.44-487,525.22

Finding the Fourth Proportional to 874,720.50, 1,207,126.44 and 487,525.22

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Solution

The fourth proportional to 874,720.50, 1,207,126.44 and 487,525.22 is: 672,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,720.50 : 1,207,126.44 = 487,525.22 : x
  2. Step 2: Convert to fraction form
    874,720.50/1,207,126.44 = 487,525.22/x
  3. Step 3: Cross multiply
    874,720.50x = 1,207,126.44 × 487,525.22
  4. Step 4: Simplify right side
    874,720.50x = 588,504,577,193.19
  5. Step 5: Solve for x
    x = 588,504,577,193.19/874,720.50
  6. Step 6: Final answer
    x = 672,791.57

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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.