Home / 913,147.83-1,260,650.79-550,663.52

Finding the Fourth Proportional to 913,147.83, 1,260,650.79 and 550,663.52

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Solution

The fourth proportional to 913,147.83, 1,260,650.79 and 550,663.52 is: 760,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,147.83 : 1,260,650.79 = 550,663.52 : x
  2. Step 2: Convert to fraction form
    913,147.83/1,260,650.79 = 550,663.52/x
  3. Step 3: Cross multiply
    913,147.83x = 1,260,650.79 × 550,663.52
  4. Step 4: Simplify right side
    913,147.83x = 694,194,395,208.93
  5. Step 5: Solve for x
    x = 694,194,395,208.93/913,147.83
  6. Step 6: Final answer
    x = 760,221.26

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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.