Home / 1,016,856.97-1,403,215.73-557,960.38

Finding the Fourth Proportional to 1,016,856.97, 1,403,215.73 and 557,960.38

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Solution

The fourth proportional to 1,016,856.97, 1,403,215.73 and 557,960.38 is: 769,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,856.97 : 1,403,215.73 = 557,960.38 : x
  2. Step 2: Convert to fraction form
    1,016,856.97/1,403,215.73 = 557,960.38/x
  3. Step 3: Cross multiply
    1,016,856.97x = 1,403,215.73 × 557,960.38
  4. Step 4: Simplify right side
    1,016,856.97x = 782,938,779,142.98
  5. Step 5: Solve for x
    x = 782,938,779,142.98/1,016,856.97
  6. Step 6: Final answer
    x = 769,959.59

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1.5x scale

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.