Home / 1,105,760.10-1,525,998.06-622,356.60

Finding the Fourth Proportional to 1,105,760.10, 1,525,998.06 and 622,356.60

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Solution

The fourth proportional to 1,105,760.10, 1,525,998.06 and 622,356.60 is: 858,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,760.10 : 1,525,998.06 = 622,356.60 : x
  2. Step 2: Convert to fraction form
    1,105,760.10/1,525,998.06 = 622,356.60/x
  3. Step 3: Cross multiply
    1,105,760.10x = 1,525,998.06 × 622,356.60
  4. Step 4: Simplify right side
    1,105,760.10x = 949,714,964,228.20
  5. Step 5: Solve for x
    x = 949,714,964,228.20/1,105,760.10
  6. Step 6: Final answer
    x = 858,879.76

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1.5x scale

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.