Home / 528,028.48-792,118.24-163,318.20

Finding the Fourth Proportional to 528,028.48, 792,118.24 and 163,318.20

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Solution

The fourth proportional to 528,028.48, 792,118.24 and 163,318.20 is: 245,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,028.48 : 792,118.24 = 163,318.20 : x
  2. Step 2: Convert to fraction form
    528,028.48/792,118.24 = 163,318.20/x
  3. Step 3: Cross multiply
    528,028.48x = 792,118.24 × 163,318.20
  4. Step 4: Simplify right side
    528,028.48x = 129,367,325,143.97
  5. Step 5: Solve for x
    x = 129,367,325,143.97/528,028.48
  6. Step 6: Final answer
    x = 245,000.66

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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.