Home / 1,084,816.40-1,625,620.80-785,926.40

Finding the Fourth Proportional to 1,084,816.40, 1,625,620.80 and 785,926.40

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Solution

The fourth proportional to 1,084,816.40, 1,625,620.80 and 785,926.40 is: 1,177,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,816.40 : 1,625,620.80 = 785,926.40 : x
  2. Step 2: Convert to fraction form
    1,084,816.40/1,625,620.80 = 785,926.40/x
  3. Step 3: Cross multiply
    1,084,816.40x = 1,625,620.80 × 785,926.40
  4. Step 4: Simplify right side
    1,084,816.40x = 1,277,618,303,109.12
  5. Step 5: Solve for x
    x = 1,277,618,303,109.12/1,084,816.40
  6. Step 6: Final answer
    x = 1,177,727.68

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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.