Home / 1,016,857.85-1,403,216.93-557,961.26

Finding the Fourth Proportional to 1,016,857.85, 1,403,216.93 and 557,961.26

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Solution

The fourth proportional to 1,016,857.85, 1,403,216.93 and 557,961.26 is: 769,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,857.85 : 1,403,216.93 = 557,961.26 : x
  2. Step 2: Convert to fraction form
    1,016,857.85/1,403,216.93 = 557,961.26/x
  3. Step 3: Cross multiply
    1,016,857.85x = 1,403,216.93 × 557,961.26
  4. Step 4: Simplify right side
    1,016,857.85x = 782,940,679,300.05
  5. Step 5: Solve for x
    x = 782,940,679,300.05/1,016,857.85
  6. Step 6: Final answer
    x = 769,960.80

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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.