Home / 724,036.49-1,086,230.32-218,567.26

Finding the Fourth Proportional to 724,036.49, 1,086,230.32 and 218,567.26

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Solution

The fourth proportional to 724,036.49, 1,086,230.32 and 218,567.26 is: 327,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,036.49 : 1,086,230.32 = 218,567.26 : x
  2. Step 2: Convert to fraction form
    724,036.49/1,086,230.32 = 218,567.26/x
  3. Step 3: Cross multiply
    724,036.49x = 1,086,230.32 × 218,567.26
  4. Step 4: Simplify right side
    724,036.49x = 237,414,385,582.69
  5. Step 5: Solve for x
    x = 237,414,385,582.69/724,036.49
  6. Step 6: Final answer
    x = 327,903.90

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Double scale
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Similar ratio
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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.