Home / 840,190.86-1,159,449.39-458,194.86

Finding the Fourth Proportional to 840,190.86, 1,159,449.39 and 458,194.86

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Solution

The fourth proportional to 840,190.86, 1,159,449.39 and 458,194.86 is: 632,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,190.86 : 1,159,449.39 = 458,194.86 : x
  2. Step 2: Convert to fraction form
    840,190.86/1,159,449.39 = 458,194.86/x
  3. Step 3: Cross multiply
    840,190.86x = 1,159,449.39 × 458,194.86
  4. Step 4: Simplify right side
    840,190.86x = 531,253,750,928.14
  5. Step 5: Solve for x
    x = 531,253,750,928.14/840,190.86
  6. Step 6: Final answer
    x = 632,301.27

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Double scale
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1.5x scale

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.