Home / 1,136,858.52-1,568,809.56-646,781.88

Finding the Fourth Proportional to 1,136,858.52, 1,568,809.56 and 646,781.88

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Solution

The fourth proportional to 1,136,858.52, 1,568,809.56 and 646,781.88 is: 892,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,858.52 : 1,568,809.56 = 646,781.88 : x
  2. Step 2: Convert to fraction form
    1,136,858.52/1,568,809.56 = 646,781.88/x
  3. Step 3: Cross multiply
    1,136,858.52x = 1,568,809.56 × 646,781.88
  4. Step 4: Simplify right side
    1,136,858.52x = 1,014,677,596,578.77
  5. Step 5: Solve for x
    x = 1,014,677,596,578.77/1,136,858.52
  6. Step 6: Final answer
    x = 892,527.59

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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.