Home / 819,695.77-1,131,177.96-457,120.02

Finding the Fourth Proportional to 819,695.77, 1,131,177.96 and 457,120.02

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Solution

The fourth proportional to 819,695.77, 1,131,177.96 and 457,120.02 is: 630,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,695.77 : 1,131,177.96 = 457,120.02 : x
  2. Step 2: Convert to fraction form
    819,695.77/1,131,177.96 = 457,120.02/x
  3. Step 3: Cross multiply
    819,695.77x = 1,131,177.96 × 457,120.02
  4. Step 4: Simplify right side
    819,695.77x = 517,084,095,940.68
  5. Step 5: Solve for x
    x = 517,084,095,940.68/819,695.77
  6. Step 6: Final answer
    x = 630,824.41

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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.