Home / 654,291.08-981,436.54-211,059.08

Finding the Fourth Proportional to 654,291.08, 981,436.54 and 211,059.08

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Solution

The fourth proportional to 654,291.08, 981,436.54 and 211,059.08 is: 316,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,291.08 : 981,436.54 = 211,059.08 : x
  2. Step 2: Convert to fraction form
    654,291.08/981,436.54 = 211,059.08/x
  3. Step 3: Cross multiply
    654,291.08x = 981,436.54 × 211,059.08
  4. Step 4: Simplify right side
    654,291.08x = 207,141,093,210.78
  5. Step 5: Solve for x
    x = 207,141,093,210.78/654,291.08
  6. Step 6: Final answer
    x = 316,588.59

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Similar ratio
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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.