Home / 1,272,665.66-1,756,026.78-713,878.04

Finding the Fourth Proportional to 1,272,665.66, 1,756,026.78 and 713,878.04

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Solution

The fourth proportional to 1,272,665.66, 1,756,026.78 and 713,878.04 is: 985,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,665.66 : 1,756,026.78 = 713,878.04 : x
  2. Step 2: Convert to fraction form
    1,272,665.66/1,756,026.78 = 713,878.04/x
  3. Step 3: Cross multiply
    1,272,665.66x = 1,756,026.78 × 713,878.04
  4. Step 4: Simplify right side
    1,272,665.66x = 1,253,588,957,606.94
  5. Step 5: Solve for x
    x = 1,253,588,957,606.94/1,272,665.66
  6. Step 6: Final answer
    x = 985,010.44

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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.