Home / 1,305,455.67-1,801,658.30-876,628.71

Finding the Fourth Proportional to 1,305,455.67, 1,801,658.30 and 876,628.71

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Solution

The fourth proportional to 1,305,455.67, 1,801,658.30 and 876,628.71 is: 1,209,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,455.67 : 1,801,658.30 = 876,628.71 : x
  2. Step 2: Convert to fraction form
    1,305,455.67/1,801,658.30 = 876,628.71/x
  3. Step 3: Cross multiply
    1,305,455.67x = 1,801,658.30 × 876,628.71
  4. Step 4: Simplify right side
    1,305,455.67x = 1,579,385,387,006.65
  5. Step 5: Solve for x
    x = 1,579,385,387,006.65/1,305,455.67
  6. Step 6: Final answer
    x = 1,209,834.56

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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.