Home / 1,083,410.56-1,624,666.56-409,375.36

Finding the Fourth Proportional to 1,083,410.56, 1,624,666.56 and 409,375.36

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Solution

The fourth proportional to 1,083,410.56, 1,624,666.56 and 409,375.36 is: 613,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,410.56 : 1,624,666.56 = 409,375.36 : x
  2. Step 2: Convert to fraction form
    1,083,410.56/1,624,666.56 = 409,375.36/x
  3. Step 3: Cross multiply
    1,083,410.56x = 1,624,666.56 × 409,375.36
  4. Step 4: Simplify right side
    1,083,410.56x = 665,098,457,879.96
  5. Step 5: Solve for x
    x = 665,098,457,879.96/1,083,410.56
  6. Step 6: Final answer
    x = 613,893.28

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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.