Home / 528,064.20-792,096.30-261,865.80

Finding the Fourth Proportional to 528,064.20, 792,096.30 and 261,865.80

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Solution

The fourth proportional to 528,064.20, 792,096.30 and 261,865.80 is: 392,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,064.20 : 792,096.30 = 261,865.80 : x
  2. Step 2: Convert to fraction form
    528,064.20/792,096.30 = 261,865.80/x
  3. Step 3: Cross multiply
    528,064.20x = 792,096.30 × 261,865.80
  4. Step 4: Simplify right side
    528,064.20x = 207,422,931,276.54
  5. Step 5: Solve for x
    x = 207,422,931,276.54/528,064.20
  6. Step 6: Final answer
    x = 392,798.70

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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.