Home / 872,192.60-1,203,586.26-509,649.56

Finding the Fourth Proportional to 872,192.60, 1,203,586.26 and 509,649.56

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Solution

The fourth proportional to 872,192.60, 1,203,586.26 and 509,649.56 is: 703,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,192.60 : 1,203,586.26 = 509,649.56 : x
  2. Step 2: Convert to fraction form
    872,192.60/1,203,586.26 = 509,649.56/x
  3. Step 3: Cross multiply
    872,192.60x = 1,203,586.26 × 509,649.56
  4. Step 4: Simplify right side
    872,192.60x = 613,407,207,831.05
  5. Step 5: Solve for x
    x = 613,407,207,831.05/872,192.60
  6. Step 6: Final answer
    x = 703,293.30

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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.