Home / 1,168,151.25-1,612,039.34-678,166.23

Finding the Fourth Proportional to 1,168,151.25, 1,612,039.34 and 678,166.23

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Solution

The fourth proportional to 1,168,151.25, 1,612,039.34 and 678,166.23 is: 935,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,151.25 : 1,612,039.34 = 678,166.23 : x
  2. Step 2: Convert to fraction form
    1,168,151.25/1,612,039.34 = 678,166.23/x
  3. Step 3: Cross multiply
    1,168,151.25x = 1,612,039.34 × 678,166.23
  4. Step 4: Simplify right side
    1,168,151.25x = 1,093,230,641,819.49
  5. Step 5: Solve for x
    x = 1,093,230,641,819.49/1,168,151.25
  6. Step 6: Final answer
    x = 935,863.95

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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.