Home / 724,530.33-1,086,445.94-303,693.21

Finding the Fourth Proportional to 724,530.33, 1,086,445.94 and 303,693.21

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Solution

The fourth proportional to 724,530.33, 1,086,445.94 and 303,693.21 is: 455,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,530.33 : 1,086,445.94 = 303,693.21 : x
  2. Step 2: Convert to fraction form
    724,530.33/1,086,445.94 = 303,693.21/x
  3. Step 3: Cross multiply
    724,530.33x = 1,086,445.94 × 303,693.21
  4. Step 4: Simplify right side
    724,530.33x = 329,946,253,491.60
  5. Step 5: Solve for x
    x = 329,946,253,491.60/724,530.33
  6. Step 6: Final answer
    x = 455,393.29

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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.