Home / 827,860.68-1,142,458.02-501,169.37

Finding the Fourth Proportional to 827,860.68, 1,142,458.02 and 501,169.37

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Solution

The fourth proportional to 827,860.68, 1,142,458.02 and 501,169.37 is: 691,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,860.68 : 1,142,458.02 = 501,169.37 : x
  2. Step 2: Convert to fraction form
    827,860.68/1,142,458.02 = 501,169.37/x
  3. Step 3: Cross multiply
    827,860.68x = 1,142,458.02 × 501,169.37
  4. Step 4: Simplify right side
    827,860.68x = 572,564,960,422.56
  5. Step 5: Solve for x
    x = 572,564,960,422.56/827,860.68
  6. Step 6: Final answer
    x = 691,619.95

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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.