Home / 725,099.34-1,000,906.57-622,713.66

Finding the Fourth Proportional to 725,099.34, 1,000,906.57 and 622,713.66

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Solution

The fourth proportional to 725,099.34, 1,000,906.57 and 622,713.66 is: 859,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,099.34 : 1,000,906.57 = 622,713.66 : x
  2. Step 2: Convert to fraction form
    725,099.34/1,000,906.57 = 622,713.66/x
  3. Step 3: Cross multiply
    725,099.34x = 1,000,906.57 × 622,713.66
  4. Step 4: Simplify right side
    725,099.34x = 623,278,193,522.75
  5. Step 5: Solve for x
    x = 623,278,193,522.75/725,099.34
  6. Step 6: Final answer
    x = 859,576.28

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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.