Home / 654,253.64-981,379.23-205,008.95

Finding the Fourth Proportional to 654,253.64, 981,379.23 and 205,008.95

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Solution

The fourth proportional to 654,253.64, 981,379.23 and 205,008.95 is: 307,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,253.64 : 981,379.23 = 205,008.95 : x
  2. Step 2: Convert to fraction form
    654,253.64/981,379.23 = 205,008.95/x
  3. Step 3: Cross multiply
    654,253.64x = 981,379.23 × 205,008.95
  4. Step 4: Simplify right side
    654,253.64x = 201,191,520,587.21
  5. Step 5: Solve for x
    x = 201,191,520,587.21/654,253.64
  6. Step 6: Final answer
    x = 307,513.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.