Home / 1,131,521.58-1,561,539.87-622,262.70

Finding the Fourth Proportional to 1,131,521.58, 1,561,539.87 and 622,262.70

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Solution

The fourth proportional to 1,131,521.58, 1,561,539.87 and 622,262.70 is: 858,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,521.58 : 1,561,539.87 = 622,262.70 : x
  2. Step 2: Convert to fraction form
    1,131,521.58/1,561,539.87 = 622,262.70/x
  3. Step 3: Cross multiply
    1,131,521.58x = 1,561,539.87 × 622,262.70
  4. Step 4: Simplify right side
    1,131,521.58x = 971,688,015,663.85
  5. Step 5: Solve for x
    x = 971,688,015,663.85/1,131,521.58
  6. Step 6: Final answer
    x = 858,744.57

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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.