Home / 831,886.76-1,247,780.88-232,834.64

Finding the Fourth Proportional to 831,886.76, 1,247,780.88 and 232,834.64

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Solution

The fourth proportional to 831,886.76, 1,247,780.88 and 232,834.64 is: 349,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,886.76 : 1,247,780.88 = 232,834.64 : x
  2. Step 2: Convert to fraction form
    831,886.76/1,247,780.88 = 232,834.64/x
  3. Step 3: Cross multiply
    831,886.76x = 1,247,780.88 × 232,834.64
  4. Step 4: Simplify right side
    831,886.76x = 290,526,611,993.68
  5. Step 5: Solve for x
    x = 290,526,611,993.68/831,886.76
  6. Step 6: Final answer
    x = 349,238.17

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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.