Home / 609,986.45-916,119.32-536,982.28

Finding the Fourth Proportional to 609,986.45, 916,119.32 and 536,982.28

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Solution

The fourth proportional to 609,986.45, 916,119.32 and 536,982.28 is: 806,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,986.45 : 916,119.32 = 536,982.28 : x
  2. Step 2: Convert to fraction form
    609,986.45/916,119.32 = 536,982.28/x
  3. Step 3: Cross multiply
    609,986.45x = 916,119.32 × 536,982.28
  4. Step 4: Simplify right side
    609,986.45x = 491,939,841,205.65
  5. Step 5: Solve for x
    x = 491,939,841,205.65/609,986.45
  6. Step 6: Final answer
    x = 806,476.67

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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.