Home / 1,039,605.90-1,557,801.48-811,360.33

Finding the Fourth Proportional to 1,039,605.90, 1,557,801.48 and 811,360.33

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Solution

The fourth proportional to 1,039,605.90, 1,557,801.48 and 811,360.33 is: 1,215,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,605.90 : 1,557,801.48 = 811,360.33 : x
  2. Step 2: Convert to fraction form
    1,039,605.90/1,557,801.48 = 811,360.33/x
  3. Step 3: Cross multiply
    1,039,605.90x = 1,557,801.48 × 811,360.33
  4. Step 4: Simplify right side
    1,039,605.90x = 1,263,938,315,098.28
  5. Step 5: Solve for x
    x = 1,263,938,315,098.28/1,039,605.90
  6. Step 6: Final answer
    x = 1,215,786.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.