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Finding the Fourth Proportional to 891,860.40, 1,337,790.60 and 793,882.80

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Solution

The fourth proportional to 891,860.40, 1,337,790.60 and 793,882.80 is: 1,190,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,860.40 : 1,337,790.60 = 793,882.80 : x
  2. Step 2: Convert to fraction form
    891,860.40/1,337,790.60 = 793,882.80/x
  3. Step 3: Cross multiply
    891,860.40x = 1,337,790.60 × 793,882.80
  4. Step 4: Simplify right side
    891,860.40x = 1,062,048,947,341.68
  5. Step 5: Solve for x
    x = 1,062,048,947,341.68/891,860.40
  6. Step 6: Final answer
    x = 1,190,824.20

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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.