Home / 1,759,290.80-2,637,186.60-811,007.60

Finding the Fourth Proportional to 1,759,290.80, 2,637,186.60 and 811,007.60

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Solution

The fourth proportional to 1,759,290.80, 2,637,186.60 and 811,007.60 is: 1,215,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,290.80 : 2,637,186.60 = 811,007.60 : x
  2. Step 2: Convert to fraction form
    1,759,290.80/2,637,186.60 = 811,007.60/x
  3. Step 3: Cross multiply
    1,759,290.80x = 2,637,186.60 × 811,007.60
  4. Step 4: Simplify right side
    1,759,290.80x = 2,138,778,375,218.16
  5. Step 5: Solve for x
    x = 2,138,778,375,218.16/1,759,290.80
  6. Step 6: Final answer
    x = 1,215,704.86

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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.