Home / 1,016,814.36-1,403,156.84-557,917.48

Finding the Fourth Proportional to 1,016,814.36, 1,403,156.84 and 557,917.48

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Solution

The fourth proportional to 1,016,814.36, 1,403,156.84 and 557,917.48 is: 769,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,814.36 : 1,403,156.84 = 557,917.48 : x
  2. Step 2: Convert to fraction form
    1,016,814.36/1,403,156.84 = 557,917.48/x
  3. Step 3: Cross multiply
    1,016,814.36x = 1,403,156.84 × 557,917.48
  4. Step 4: Simplify right side
    1,016,814.36x = 782,845,728,217.56
  5. Step 5: Solve for x
    x = 782,845,728,217.56/1,016,814.36
  6. Step 6: Final answer
    x = 769,900.35

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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.