Home / 346,727.60-520,091.40-323,399.60

Finding the Fourth Proportional to 346,727.60, 520,091.40 and 323,399.60

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Solution

The fourth proportional to 346,727.60, 520,091.40 and 323,399.60 is: 485,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,727.60 : 520,091.40 = 323,399.60 : x
  2. Step 2: Convert to fraction form
    346,727.60/520,091.40 = 323,399.60/x
  3. Step 3: Cross multiply
    346,727.60x = 520,091.40 × 323,399.60
  4. Step 4: Simplify right side
    346,727.60x = 168,197,350,723.44
  5. Step 5: Solve for x
    x = 168,197,350,723.44/346,727.60
  6. Step 6: Final answer
    x = 485,099.40

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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.