Home / 591,194.16-815,913-336,504.24

Finding the Fourth Proportional to 591,194.16, 815,913 and 336,504.24

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Solution

The fourth proportional to 591,194.16, 815,913 and 336,504.24 is: 464,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,194.16 : 815,913 = 336,504.24 : x
  2. Step 2: Convert to fraction form
    591,194.16/815,913 = 336,504.24/x
  3. Step 3: Cross multiply
    591,194.16x = 815,913 × 336,504.24
  4. Step 4: Simplify right side
    591,194.16x = 274,558,183,971.12
  5. Step 5: Solve for x
    x = 274,558,183,971.12/591,194.16
  6. Step 6: Final answer
    x = 464,412.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.