Home / 3,525,728.80-5,288,593.20-866,336.80

Finding the Fourth Proportional to 3,525,728.80, 5,288,593.20 and 866,336.80

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Solution

The fourth proportional to 3,525,728.80, 5,288,593.20 and 866,336.80 is: 1,299,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,728.80 : 5,288,593.20 = 866,336.80 : x
  2. Step 2: Convert to fraction form
    3,525,728.80/5,288,593.20 = 866,336.80/x
  3. Step 3: Cross multiply
    3,525,728.80x = 5,288,593.20 × 866,336.80
  4. Step 4: Simplify right side
    3,525,728.80x = 4,581,702,909,389.76
  5. Step 5: Solve for x
    x = 4,581,702,909,389.76/3,525,728.80
  6. Step 6: Final answer
    x = 1,299,505.20

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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.