Home / 1,105,803.60-1,526,058.07-622,400.05

Finding the Fourth Proportional to 1,105,803.60, 1,526,058.07 and 622,400.05

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Solution

The fourth proportional to 1,105,803.60, 1,526,058.07 and 622,400.05 is: 858,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,803.60 : 1,526,058.07 = 622,400.05 : x
  2. Step 2: Convert to fraction form
    1,105,803.60/1,526,058.07 = 622,400.05/x
  3. Step 3: Cross multiply
    1,105,803.60x = 1,526,058.07 × 622,400.05
  4. Step 4: Simplify right side
    1,105,803.60x = 949,818,622,923.48
  5. Step 5: Solve for x
    x = 949,818,622,923.48/1,105,803.60
  6. Step 6: Final answer
    x = 858,939.71

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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.