Home / 1,174,477.02-1,620,724.05-665,183.04

Finding the Fourth Proportional to 1,174,477.02, 1,620,724.05 and 665,183.04

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Solution

The fourth proportional to 1,174,477.02, 1,620,724.05 and 665,183.04 is: 917,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,477.02 : 1,620,724.05 = 665,183.04 : x
  2. Step 2: Convert to fraction form
    1,174,477.02/1,620,724.05 = 665,183.04/x
  3. Step 3: Cross multiply
    1,174,477.02x = 1,620,724.05 × 665,183.04
  4. Step 4: Simplify right side
    1,174,477.02x = 1,078,078,150,580.11
  5. Step 5: Solve for x
    x = 1,078,078,150,580.11/1,174,477.02
  6. Step 6: Final answer
    x = 917,921.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.