Home / 1,131,472.80-1,561,411.68-622,176.48

Finding the Fourth Proportional to 1,131,472.80, 1,561,411.68 and 622,176.48

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Solution

The fourth proportional to 1,131,472.80, 1,561,411.68 and 622,176.48 is: 858,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,472.80 : 1,561,411.68 = 622,176.48 : x
  2. Step 2: Convert to fraction form
    1,131,472.80/1,561,411.68 = 622,176.48/x
  3. Step 3: Cross multiply
    1,131,472.80x = 1,561,411.68 × 622,176.48
  4. Step 4: Simplify right side
    1,131,472.80x = 971,473,622,893.29
  5. Step 5: Solve for x
    x = 971,473,622,893.29/1,131,472.80
  6. Step 6: Final answer
    x = 858,592.11

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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.