Home / 730,329.40-1,095,906.66-393,362.92

Finding the Fourth Proportional to 730,329.40, 1,095,906.66 and 393,362.92

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Solution

The fourth proportional to 730,329.40, 1,095,906.66 and 393,362.92 is: 590,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,329.40 : 1,095,906.66 = 393,362.92 : x
  2. Step 2: Convert to fraction form
    730,329.40/1,095,906.66 = 393,362.92/x
  3. Step 3: Cross multiply
    730,329.40x = 1,095,906.66 × 393,362.92
  4. Step 4: Simplify right side
    730,329.40x = 431,089,043,825.05
  5. Step 5: Solve for x
    x = 431,089,043,825.05/730,329.40
  6. Step 6: Final answer
    x = 590,266.59

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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.