Home / 328,526.35-453,463.32-192,589.72

Finding the Fourth Proportional to 328,526.35, 453,463.32 and 192,589.72

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Solution

The fourth proportional to 328,526.35, 453,463.32 and 192,589.72 is: 265,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,526.35 : 453,463.32 = 192,589.72 : x
  2. Step 2: Convert to fraction form
    328,526.35/453,463.32 = 192,589.72/x
  3. Step 3: Cross multiply
    328,526.35x = 453,463.32 × 192,589.72
  4. Step 4: Simplify right side
    328,526.35x = 87,332,373,829.07
  5. Step 5: Solve for x
    x = 87,332,373,829.07/328,526.35
  6. Step 6: Final answer
    x = 265,830.65

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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.