Home / 615,619.20-923,428.80-335,683.20

Finding the Fourth Proportional to 615,619.20, 923,428.80 and 335,683.20

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Solution

The fourth proportional to 615,619.20, 923,428.80 and 335,683.20 is: 503,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,619.20 : 923,428.80 = 335,683.20 : x
  2. Step 2: Convert to fraction form
    615,619.20/923,428.80 = 335,683.20/x
  3. Step 3: Cross multiply
    615,619.20x = 923,428.80 × 335,683.20
  4. Step 4: Simplify right side
    615,619.20x = 309,979,534,556.16
  5. Step 5: Solve for x
    x = 309,979,534,556.16/615,619.20
  6. Step 6: Final answer
    x = 503,524.80

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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.