Home / 1,413,686.90-1,950,896.41-769,111.74

Finding the Fourth Proportional to 1,413,686.90, 1,950,896.41 and 769,111.74

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Solution

The fourth proportional to 1,413,686.90, 1,950,896.41 and 769,111.74 is: 1,061,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,686.90 : 1,950,896.41 = 769,111.74 : x
  2. Step 2: Convert to fraction form
    1,413,686.90/1,950,896.41 = 769,111.74/x
  3. Step 3: Cross multiply
    1,413,686.90x = 1,950,896.41 × 769,111.74
  4. Step 4: Simplify right side
    1,413,686.90x = 1,500,457,330,532.07
  5. Step 5: Solve for x
    x = 1,500,457,330,532.07/1,413,686.90
  6. Step 6: Final answer
    x = 1,061,378.82

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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.