Home / 1,377,117.24-1,900,300.83-765,231.24

Finding the Fourth Proportional to 1,377,117.24, 1,900,300.83 and 765,231.24

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Solution

The fourth proportional to 1,377,117.24, 1,900,300.83 and 765,231.24 is: 1,055,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,117.24 : 1,900,300.83 = 765,231.24 : x
  2. Step 2: Convert to fraction form
    1,377,117.24/1,900,300.83 = 765,231.24/x
  3. Step 3: Cross multiply
    1,377,117.24x = 1,900,300.83 × 765,231.24
  4. Step 4: Simplify right side
    1,377,117.24x = 1,454,169,560,513.93
  5. Step 5: Solve for x
    x = 1,454,169,560,513.93/1,377,117.24
  6. Step 6: Final answer
    x = 1,055,951.90

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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.