Home / 328,589.39-453,498.75-192,656.81

Finding the Fourth Proportional to 328,589.39, 453,498.75 and 192,656.81

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Solution

The fourth proportional to 328,589.39, 453,498.75 and 192,656.81 is: 265,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,589.39 : 453,498.75 = 192,656.81 : x
  2. Step 2: Convert to fraction form
    328,589.39/453,498.75 = 192,656.81/x
  3. Step 3: Cross multiply
    328,589.39x = 453,498.75 × 192,656.81
  4. Step 4: Simplify right side
    328,589.39x = 87,369,622,513.99
  5. Step 5: Solve for x
    x = 87,369,622,513.99/328,589.39
  6. Step 6: Final answer
    x = 265,893.01

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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.