Home / 528,380.60-792,631.04-191,579.86

Finding the Fourth Proportional to 528,380.60, 792,631.04 and 191,579.86

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Solution

The fourth proportional to 528,380.60, 792,631.04 and 191,579.86 is: 287,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,380.60 : 792,631.04 = 191,579.86 : x
  2. Step 2: Convert to fraction form
    528,380.60/792,631.04 = 191,579.86/x
  3. Step 3: Cross multiply
    528,380.60x = 792,631.04 × 191,579.86
  4. Step 4: Simplify right side
    528,380.60x = 151,852,143,674.85
  5. Step 5: Solve for x
    x = 151,852,143,674.85/528,380.60
  6. Step 6: Final answer
    x = 287,391.60

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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.