Home / 1,102,738.56-1,521,709.68-619,291.32

Finding the Fourth Proportional to 1,102,738.56, 1,521,709.68 and 619,291.32

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Solution

The fourth proportional to 1,102,738.56, 1,521,709.68 and 619,291.32 is: 854,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,738.56 : 1,521,709.68 = 619,291.32 : x
  2. Step 2: Convert to fraction form
    1,102,738.56/1,521,709.68 = 619,291.32/x
  3. Step 3: Cross multiply
    1,102,738.56x = 1,521,709.68 × 619,291.32
  4. Step 4: Simplify right side
    1,102,738.56x = 942,381,596,383.98
  5. Step 5: Solve for x
    x = 942,381,596,383.98/1,102,738.56
  6. Step 6: Final answer
    x = 854,582.97

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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.