Home / 1,185,640.70-1,778,743.94-386,923.73

Finding the Fourth Proportional to 1,185,640.70, 1,778,743.94 and 386,923.73

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Solution

The fourth proportional to 1,185,640.70, 1,778,743.94 and 386,923.73 is: 580,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,640.70 : 1,778,743.94 = 386,923.73 : x
  2. Step 2: Convert to fraction form
    1,185,640.70/1,778,743.94 = 386,923.73/x
  3. Step 3: Cross multiply
    1,185,640.70x = 1,778,743.94 × 386,923.73
  4. Step 4: Simplify right side
    1,185,640.70x = 688,238,229,151.36
  5. Step 5: Solve for x
    x = 688,238,229,151.36/1,185,640.70
  6. Step 6: Final answer
    x = 580,477.91

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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.