Home / 691,514.04-1,037,271.24-218,236.44

Finding the Fourth Proportional to 691,514.04, 1,037,271.24 and 218,236.44

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Solution

The fourth proportional to 691,514.04, 1,037,271.24 and 218,236.44 is: 327,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,514.04 : 1,037,271.24 = 218,236.44 : x
  2. Step 2: Convert to fraction form
    691,514.04/1,037,271.24 = 218,236.44/x
  3. Step 3: Cross multiply
    691,514.04x = 1,037,271.24 × 218,236.44
  4. Step 4: Simplify right side
    691,514.04x = 226,370,382,731.99
  5. Step 5: Solve for x
    x = 226,370,382,731.99/691,514.04
  6. Step 6: Final answer
    x = 327,354.72

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Double scale
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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.