Home / 1,152,940.20-1,729,410.30-1,137,193.80

Finding the Fourth Proportional to 1,152,940.20, 1,729,410.30 and 1,137,193.80

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Solution

The fourth proportional to 1,152,940.20, 1,729,410.30 and 1,137,193.80 is: 1,705,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,940.20 : 1,729,410.30 = 1,137,193.80 : x
  2. Step 2: Convert to fraction form
    1,152,940.20/1,729,410.30 = 1,137,193.80/x
  3. Step 3: Cross multiply
    1,152,940.20x = 1,729,410.30 × 1,137,193.80
  4. Step 4: Simplify right side
    1,152,940.20x = 1,966,674,670,816.14
  5. Step 5: Solve for x
    x = 1,966,674,670,816.14/1,152,940.20
  6. Step 6: Final answer
    x = 1,705,790.70

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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.