Home / 693,329.33-1,039,994.01-187,890.30

Finding the Fourth Proportional to 693,329.33, 1,039,994.01 and 187,890.30

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Solution

The fourth proportional to 693,329.33, 1,039,994.01 and 187,890.30 is: 281,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,329.33 : 1,039,994.01 = 187,890.30 : x
  2. Step 2: Convert to fraction form
    693,329.33/1,039,994.01 = 187,890.30/x
  3. Step 3: Cross multiply
    693,329.33x = 1,039,994.01 × 187,890.30
  4. Step 4: Simplify right side
    693,329.33x = 195,404,786,537.10
  5. Step 5: Solve for x
    x = 195,404,786,537.10/693,329.33
  6. Step 6: Final answer
    x = 281,835.46

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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.