Home / 346,724.60-520,086.90-323,396.60

Finding the Fourth Proportional to 346,724.60, 520,086.90 and 323,396.60

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Solution

The fourth proportional to 346,724.60, 520,086.90 and 323,396.60 is: 485,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.60 : 520,086.90 = 323,396.60 : x
  2. Step 2: Convert to fraction form
    346,724.60/520,086.90 = 323,396.60/x
  3. Step 3: Cross multiply
    346,724.60x = 520,086.90 × 323,396.60
  4. Step 4: Simplify right side
    346,724.60x = 168,194,335,164.54
  5. Step 5: Solve for x
    x = 168,194,335,164.54/346,724.60
  6. Step 6: Final answer
    x = 485,094.90

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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.