Home / 744,243.01-1,027,256.11-486,114.48

Finding the Fourth Proportional to 744,243.01, 1,027,256.11 and 486,114.48

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Solution

The fourth proportional to 744,243.01, 1,027,256.11 and 486,114.48 is: 670,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,243.01 : 1,027,256.11 = 486,114.48 : x
  2. Step 2: Convert to fraction form
    744,243.01/1,027,256.11 = 486,114.48/x
  3. Step 3: Cross multiply
    744,243.01x = 1,027,256.11 × 486,114.48
  4. Step 4: Simplify right side
    744,243.01x = 499,364,068,524.19
  5. Step 5: Solve for x
    x = 499,364,068,524.19/744,243.01
  6. Step 6: Final answer
    x = 670,969.11

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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.