Home / 728,615.93-1,092,996.80-223,171.07

Finding the Fourth Proportional to 728,615.93, 1,092,996.80 and 223,171.07

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Solution

The fourth proportional to 728,615.93, 1,092,996.80 and 223,171.07 is: 334,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,615.93 : 1,092,996.80 = 223,171.07 : x
  2. Step 2: Convert to fraction form
    728,615.93/1,092,996.80 = 223,171.07/x
  3. Step 3: Cross multiply
    728,615.93x = 1,092,996.80 × 223,171.07
  4. Step 4: Simplify right side
    728,615.93x = 243,925,265,362.58
  5. Step 5: Solve for x
    x = 243,925,265,362.58/728,615.93
  6. Step 6: Final answer
    x = 334,778.94

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1.5x scale

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.