Home / 1,183,213.80-1,775,015.10-509,617.80

Finding the Fourth Proportional to 1,183,213.80, 1,775,015.10 and 509,617.80

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Solution

The fourth proportional to 1,183,213.80, 1,775,015.10 and 509,617.80 is: 764,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,213.80 : 1,775,015.10 = 509,617.80 : x
  2. Step 2: Convert to fraction form
    1,183,213.80/1,775,015.10 = 509,617.80/x
  3. Step 3: Cross multiply
    1,183,213.80x = 1,775,015.10 × 509,617.80
  4. Step 4: Simplify right side
    1,183,213.80x = 904,579,290,228.78
  5. Step 5: Solve for x
    x = 904,579,290,228.78/1,183,213.80
  6. Step 6: Final answer
    x = 764,510.43

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Double scale
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1.5x scale

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.