Home / 328,526.48-453,463.50-192,589.85

Finding the Fourth Proportional to 328,526.48, 453,463.50 and 192,589.85

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Solution

The fourth proportional to 328,526.48, 453,463.50 and 192,589.85 is: 265,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,526.48 : 453,463.50 = 192,589.85 : x
  2. Step 2: Convert to fraction form
    328,526.48/453,463.50 = 192,589.85/x
  3. Step 3: Cross multiply
    328,526.48x = 453,463.50 × 192,589.85
  4. Step 4: Simplify right side
    328,526.48x = 87,332,465,178.16
  5. Step 5: Solve for x
    x = 87,332,465,178.16/328,526.48
  6. Step 6: Final answer
    x = 265,830.83

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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.