Home / 1,277,626.37-1,914,077.59-645,029.33

Finding the Fourth Proportional to 1,277,626.37, 1,914,077.59 and 645,029.33

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Solution

The fourth proportional to 1,277,626.37, 1,914,077.59 and 645,029.33 is: 966,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,626.37 : 1,914,077.59 = 645,029.33 : x
  2. Step 2: Convert to fraction form
    1,277,626.37/1,914,077.59 = 645,029.33/x
  3. Step 3: Cross multiply
    1,277,626.37x = 1,914,077.59 × 645,029.33
  4. Step 4: Simplify right side
    1,277,626.37x = 1,234,636,174,262.75
  5. Step 5: Solve for x
    x = 1,234,636,174,262.75/1,277,626.37
  6. Step 6: Final answer
    x = 966,351.52

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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.