Home / 623,844.54-936,182.10-339,606.84

Finding the Fourth Proportional to 623,844.54, 936,182.10 and 339,606.84

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Solution

The fourth proportional to 623,844.54, 936,182.10 and 339,606.84 is: 509,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,844.54 : 936,182.10 = 339,606.84 : x
  2. Step 2: Convert to fraction form
    623,844.54/936,182.10 = 339,606.84/x
  3. Step 3: Cross multiply
    623,844.54x = 936,182.10 × 339,606.84
  4. Step 4: Simplify right side
    623,844.54x = 317,933,844,645.56
  5. Step 5: Solve for x
    x = 317,933,844,645.56/623,844.54
  6. Step 6: Final answer
    x = 509,636.33

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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.