Home / 814,685.22-1,222,240.79-472,800.00

Finding the Fourth Proportional to 814,685.22, 1,222,240.79 and 472,800.00

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Solution

The fourth proportional to 814,685.22, 1,222,240.79 and 472,800.00 is: 709,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,685.22 : 1,222,240.79 = 472,800.00 : x
  2. Step 2: Convert to fraction form
    814,685.22/1,222,240.79 = 472,800.00/x
  3. Step 3: Cross multiply
    814,685.22x = 1,222,240.79 × 472,800.00
  4. Step 4: Simplify right side
    814,685.22x = 577,875,438,564.60
  5. Step 5: Solve for x
    x = 577,875,438,564.60/814,685.22
  6. Step 6: Final answer
    x = 709,323.58

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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.