Home / 712,361.58-1,068,296.32-206,785.50

Finding the Fourth Proportional to 712,361.58, 1,068,296.32 and 206,785.50

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Solution

The fourth proportional to 712,361.58, 1,068,296.32 and 206,785.50 is: 310,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,361.58 : 1,068,296.32 = 206,785.50 : x
  2. Step 2: Convert to fraction form
    712,361.58/1,068,296.32 = 206,785.50/x
  3. Step 3: Cross multiply
    712,361.58x = 1,068,296.32 × 206,785.50
  4. Step 4: Simplify right side
    712,361.58x = 220,908,188,679.36
  5. Step 5: Solve for x
    x = 220,908,188,679.36/712,361.58
  6. Step 6: Final answer
    x = 310,106.83

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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.