Home / 1,168,148.75-1,612,035.89-678,163.73

Finding the Fourth Proportional to 1,168,148.75, 1,612,035.89 and 678,163.73

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Solution

The fourth proportional to 1,168,148.75, 1,612,035.89 and 678,163.73 is: 935,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,148.75 : 1,612,035.89 = 678,163.73 : x
  2. Step 2: Convert to fraction form
    1,168,148.75/1,612,035.89 = 678,163.73/x
  3. Step 3: Cross multiply
    1,168,148.75x = 1,612,035.89 × 678,163.73
  4. Step 4: Simplify right side
    1,168,148.75x = 1,093,224,272,056.27
  5. Step 5: Solve for x
    x = 1,093,224,272,056.27/1,168,148.75
  6. Step 6: Final answer
    x = 935,860.50

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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.