Home / 1,085,686.92-1,497,621.06-677,079.54

Finding the Fourth Proportional to 1,085,686.92, 1,497,621.06 and 677,079.54

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Solution

The fourth proportional to 1,085,686.92, 1,497,621.06 and 677,079.54 is: 933,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,686.92 : 1,497,621.06 = 677,079.54 : x
  2. Step 2: Convert to fraction form
    1,085,686.92/1,497,621.06 = 677,079.54/x
  3. Step 3: Cross multiply
    1,085,686.92x = 1,497,621.06 × 677,079.54
  4. Step 4: Simplify right side
    1,085,686.92x = 1,014,008,578,399.11
  5. Step 5: Solve for x
    x = 1,014,008,578,399.11/1,085,686.92
  6. Step 6: Final answer
    x = 933,978.81

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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.