Home / 669,718.26-924,453.81-443,436.66

Finding the Fourth Proportional to 669,718.26, 924,453.81 and 443,436.66

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Solution

The fourth proportional to 669,718.26, 924,453.81 and 443,436.66 is: 612,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,718.26 : 924,453.81 = 443,436.66 : x
  2. Step 2: Convert to fraction form
    669,718.26/924,453.81 = 443,436.66/x
  3. Step 3: Cross multiply
    669,718.26x = 924,453.81 × 443,436.66
  4. Step 4: Simplify right side
    669,718.26x = 409,936,709,830.68
  5. Step 5: Solve for x
    x = 409,936,709,830.68/669,718.26
  6. Step 6: Final answer
    x = 612,103.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.