Home / 691,996.30-1,037,994.45-193,360.30

Finding the Fourth Proportional to 691,996.30, 1,037,994.45 and 193,360.30

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Solution

The fourth proportional to 691,996.30, 1,037,994.45 and 193,360.30 is: 290,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,996.30 : 1,037,994.45 = 193,360.30 : x
  2. Step 2: Convert to fraction form
    691,996.30/1,037,994.45 = 193,360.30/x
  3. Step 3: Cross multiply
    691,996.30x = 1,037,994.45 × 193,360.30
  4. Step 4: Simplify right side
    691,996.30x = 200,706,918,250.34
  5. Step 5: Solve for x
    x = 200,706,918,250.34/691,996.30
  6. Step 6: Final answer
    x = 290,040.45

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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.