Home / 1,131,535.20-1,561,501.08-622,236.36

Finding the Fourth Proportional to 1,131,535.20, 1,561,501.08 and 622,236.36

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Solution

The fourth proportional to 1,131,535.20, 1,561,501.08 and 622,236.36 is: 858,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,535.20 : 1,561,501.08 = 622,236.36 : x
  2. Step 2: Convert to fraction form
    1,131,535.20/1,561,501.08 = 622,236.36/x
  3. Step 3: Cross multiply
    1,131,535.20x = 1,561,501.08 × 622,236.36
  4. Step 4: Simplify right side
    1,131,535.20x = 971,622,748,155.27
  5. Step 5: Solve for x
    x = 971,622,748,155.27/1,131,535.20
  6. Step 6: Final answer
    x = 858,676.56

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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.