Home / 872,255.44-1,203,536.10-509,609.26

Finding the Fourth Proportional to 872,255.44, 1,203,536.10 and 509,609.26

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Solution

The fourth proportional to 872,255.44, 1,203,536.10 and 509,609.26 is: 703,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,255.44 : 1,203,536.10 = 509,609.26 : x
  2. Step 2: Convert to fraction form
    872,255.44/1,203,536.10 = 509,609.26/x
  3. Step 3: Cross multiply
    872,255.44x = 1,203,536.10 × 509,609.26
  4. Step 4: Simplify right side
    872,255.44x = 613,333,141,304.29
  5. Step 5: Solve for x
    x = 613,333,141,304.29/872,255.44
  6. Step 6: Final answer
    x = 703,157.71

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Double scale
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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.