Home / 691,262.24-1,036,893.35-217,995.44

Finding the Fourth Proportional to 691,262.24, 1,036,893.35 and 217,995.44

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Solution

The fourth proportional to 691,262.24, 1,036,893.35 and 217,995.44 is: 326,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,262.24 : 1,036,893.35 = 217,995.44 : x
  2. Step 2: Convert to fraction form
    691,262.24/1,036,893.35 = 217,995.44/x
  3. Step 3: Cross multiply
    691,262.24x = 1,036,893.35 × 217,995.44
  4. Step 4: Simplify right side
    691,262.24x = 226,038,017,426.85
  5. Step 5: Solve for x
    x = 226,038,017,426.85/691,262.24
  6. Step 6: Final answer
    x = 326,993.15

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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.