Home / 1,177,236-1,625,161.50-789,912.72

Finding the Fourth Proportional to 1,177,236, 1,625,161.50 and 789,912.72

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Solution

The fourth proportional to 1,177,236, 1,625,161.50 and 789,912.72 is: 1,090,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,236 : 1,625,161.50 = 789,912.72 : x
  2. Step 2: Convert to fraction form
    1,177,236/1,625,161.50 = 789,912.72/x
  3. Step 3: Cross multiply
    1,177,236x = 1,625,161.50 × 789,912.72
  4. Step 4: Simplify right side
    1,177,236x = 1,283,735,740,904.28
  5. Step 5: Solve for x
    x = 1,283,735,740,904.28/1,177,236
  6. Step 6: Final answer
    x = 1,090,465.92

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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.