Home / 528,220.45-792,132.09-191,177.83

Finding the Fourth Proportional to 528,220.45, 792,132.09 and 191,177.83

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Solution

The fourth proportional to 528,220.45, 792,132.09 and 191,177.83 is: 286,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,220.45 : 792,132.09 = 191,177.83 : x
  2. Step 2: Convert to fraction form
    528,220.45/792,132.09 = 191,177.83/x
  3. Step 3: Cross multiply
    528,220.45x = 792,132.09 × 191,177.83
  4. Step 4: Simplify right side
    528,220.45x = 151,438,094,039.57
  5. Step 5: Solve for x
    x = 151,438,094,039.57/528,220.45
  6. Step 6: Final answer
    x = 286,694.87

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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.