Home / 500,176.11-690,054.63-328,189.02

Finding the Fourth Proportional to 500,176.11, 690,054.63 and 328,189.02

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Solution

The fourth proportional to 500,176.11, 690,054.63 and 328,189.02 is: 452,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,176.11 : 690,054.63 = 328,189.02 : x
  2. Step 2: Convert to fraction form
    500,176.11/690,054.63 = 328,189.02/x
  3. Step 3: Cross multiply
    500,176.11x = 690,054.63 × 328,189.02
  4. Step 4: Simplify right side
    500,176.11x = 226,468,352,766.16
  5. Step 5: Solve for x
    x = 226,468,352,766.16/500,176.11
  6. Step 6: Final answer
    x = 452,777.23

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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.