Home / 500,177.54-690,056.58-328,190.44

Finding the Fourth Proportional to 500,177.54, 690,056.58 and 328,190.44

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Solution

The fourth proportional to 500,177.54, 690,056.58 and 328,190.44 is: 452,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,177.54 : 690,056.58 = 328,190.44 : x
  2. Step 2: Convert to fraction form
    500,177.54/690,056.58 = 328,190.44/x
  3. Step 3: Cross multiply
    500,177.54x = 690,056.58 × 328,190.44
  4. Step 4: Simplify right side
    500,177.54x = 226,469,972,615.10
  5. Step 5: Solve for x
    x = 226,469,972,615.10/500,177.54
  6. Step 6: Final answer
    x = 452,779.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.