Home / 827,743.02-1,142,292.88-501,063.54

Finding the Fourth Proportional to 827,743.02, 1,142,292.88 and 501,063.54

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Solution

The fourth proportional to 827,743.02, 1,142,292.88 and 501,063.54 is: 691,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,743.02 : 1,142,292.88 = 501,063.54 : x
  2. Step 2: Convert to fraction form
    827,743.02/1,142,292.88 = 501,063.54/x
  3. Step 3: Cross multiply
    827,743.02x = 1,142,292.88 × 501,063.54
  4. Step 4: Simplify right side
    827,743.02x = 572,361,314,169.60
  5. Step 5: Solve for x
    x = 572,361,314,169.60/827,743.02
  6. Step 6: Final answer
    x = 691,472.23

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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.