Home / 827,867.76-1,142,467.80-501,176.52

Finding the Fourth Proportional to 827,867.76, 1,142,467.80 and 501,176.52

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Solution

The fourth proportional to 827,867.76, 1,142,467.80 and 501,176.52 is: 691,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,867.76 : 1,142,467.80 = 501,176.52 : x
  2. Step 2: Convert to fraction form
    827,867.76/1,142,467.80 = 501,176.52/x
  3. Step 3: Cross multiply
    827,867.76x = 1,142,467.80 × 501,176.52
  4. Step 4: Simplify right side
    827,867.76x = 572,578,036,216.06
  5. Step 5: Solve for x
    x = 572,578,036,216.06/827,867.76
  6. Step 6: Final answer
    x = 691,629.83

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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.