Home / 528,066.20-792,099.30-318,114.20

Finding the Fourth Proportional to 528,066.20, 792,099.30 and 318,114.20

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Solution

The fourth proportional to 528,066.20, 792,099.30 and 318,114.20 is: 477,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.20 : 792,099.30 = 318,114.20 : x
  2. Step 2: Convert to fraction form
    528,066.20/792,099.30 = 318,114.20/x
  3. Step 3: Cross multiply
    528,066.20x = 792,099.30 × 318,114.20
  4. Step 4: Simplify right side
    528,066.20x = 251,978,035,140.06
  5. Step 5: Solve for x
    x = 251,978,035,140.06/528,066.20
  6. Step 6: Final answer
    x = 477,171.30

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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.