Home / 693,424.40-1,040,136.60-168,112.40

Finding the Fourth Proportional to 693,424.40, 1,040,136.60 and 168,112.40

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Solution

The fourth proportional to 693,424.40, 1,040,136.60 and 168,112.40 is: 252,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,424.40 : 1,040,136.60 = 168,112.40 : x
  2. Step 2: Convert to fraction form
    693,424.40/1,040,136.60 = 168,112.40/x
  3. Step 3: Cross multiply
    693,424.40x = 1,040,136.60 × 168,112.40
  4. Step 4: Simplify right side
    693,424.40x = 174,859,860,153.84
  5. Step 5: Solve for x
    x = 174,859,860,153.84/693,424.40
  6. Step 6: Final answer
    x = 252,168.60

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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.