Home / 872,254.44-1,203,534.72-509,608.26

Finding the Fourth Proportional to 872,254.44, 1,203,534.72 and 509,608.26

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Solution

The fourth proportional to 872,254.44, 1,203,534.72 and 509,608.26 is: 703,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,254.44 : 1,203,534.72 = 509,608.26 : x
  2. Step 2: Convert to fraction form
    872,254.44/1,203,534.72 = 509,608.26/x
  3. Step 3: Cross multiply
    872,254.44x = 1,203,534.72 × 509,608.26
  4. Step 4: Simplify right side
    872,254.44x = 613,331,234,508.79
  5. Step 5: Solve for x
    x = 613,331,234,508.79/872,254.44
  6. Step 6: Final answer
    x = 703,156.33

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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.