Home / 731,638.76-1,097,347.43-199,201.77

Finding the Fourth Proportional to 731,638.76, 1,097,347.43 and 199,201.77

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Solution

The fourth proportional to 731,638.76, 1,097,347.43 and 199,201.77 is: 298,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,638.76 : 1,097,347.43 = 199,201.77 : x
  2. Step 2: Convert to fraction form
    731,638.76/1,097,347.43 = 199,201.77/x
  3. Step 3: Cross multiply
    731,638.76x = 1,097,347.43 × 199,201.77
  4. Step 4: Simplify right side
    731,638.76x = 218,593,549,364.94
  5. Step 5: Solve for x
    x = 218,593,549,364.94/731,638.76
  6. Step 6: Final answer
    x = 298,772.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.