Home / 825,514.91-1,238,395.38-292,991.34

Finding the Fourth Proportional to 825,514.91, 1,238,395.38 and 292,991.34

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Solution

The fourth proportional to 825,514.91, 1,238,395.38 and 292,991.34 is: 439,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,514.91 : 1,238,395.38 = 292,991.34 : x
  2. Step 2: Convert to fraction form
    825,514.91/1,238,395.38 = 292,991.34/x
  3. Step 3: Cross multiply
    825,514.91x = 1,238,395.38 × 292,991.34
  4. Step 4: Simplify right side
    825,514.91x = 362,839,121,836.01
  5. Step 5: Solve for x
    x = 362,839,121,836.01/825,514.91
  6. Step 6: Final answer
    x = 439,530.67

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Double scale
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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.