Home / 1,208,406.02-1,667,643.14-664,583.87

Finding the Fourth Proportional to 1,208,406.02, 1,667,643.14 and 664,583.87

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Solution

The fourth proportional to 1,208,406.02, 1,667,643.14 and 664,583.87 is: 917,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,406.02 : 1,667,643.14 = 664,583.87 : x
  2. Step 2: Convert to fraction form
    1,208,406.02/1,667,643.14 = 664,583.87/x
  3. Step 3: Cross multiply
    1,208,406.02x = 1,667,643.14 × 664,583.87
  4. Step 4: Simplify right side
    1,208,406.02x = 1,108,288,720,099.02
  5. Step 5: Solve for x
    x = 1,108,288,720,099.02/1,208,406.02
  6. Step 6: Final answer
    x = 917,149.29

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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.