Home / 851,680.86-1,174,241.25-561,247.26

Finding the Fourth Proportional to 851,680.86, 1,174,241.25 and 561,247.26

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Solution

The fourth proportional to 851,680.86, 1,174,241.25 and 561,247.26 is: 773,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,680.86 : 1,174,241.25 = 561,247.26 : x
  2. Step 2: Convert to fraction form
    851,680.86/1,174,241.25 = 561,247.26/x
  3. Step 3: Cross multiply
    851,680.86x = 1,174,241.25 × 561,247.26
  4. Step 4: Simplify right side
    851,680.86x = 659,039,684,141.48
  5. Step 5: Solve for x
    x = 659,039,684,141.48/851,680.86
  6. Step 6: Final answer
    x = 773,810.61

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Double scale
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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.