Home / 686,924.31-948,014.01-381,099.27

Finding the Fourth Proportional to 686,924.31, 948,014.01 and 381,099.27

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Solution

The fourth proportional to 686,924.31, 948,014.01 and 381,099.27 is: 525,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,924.31 : 948,014.01 = 381,099.27 : x
  2. Step 2: Convert to fraction form
    686,924.31/948,014.01 = 381,099.27/x
  3. Step 3: Cross multiply
    686,924.31x = 948,014.01 × 381,099.27
  4. Step 4: Simplify right side
    686,924.31x = 361,287,447,160.77
  5. Step 5: Solve for x
    x = 361,287,447,160.77/686,924.31
  6. Step 6: Final answer
    x = 525,949.43

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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.