Home / 528,066.20-792,099.30-261,867.80

Finding the Fourth Proportional to 528,066.20, 792,099.30 and 261,867.80

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Solution

The fourth proportional to 528,066.20, 792,099.30 and 261,867.80 is: 392,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,066.20 : 792,099.30 = 261,867.80 : x
  2. Step 2: Convert to fraction form
    528,066.20/792,099.30 = 261,867.80/x
  3. Step 3: Cross multiply
    528,066.20x = 792,099.30 × 261,867.80
  4. Step 4: Simplify right side
    528,066.20x = 207,425,301,072.54
  5. Step 5: Solve for x
    x = 207,425,301,072.54/528,066.20
  6. Step 6: Final answer
    x = 392,801.70

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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.