Home / 1,183,110.42-1,632,692.34-639,246.36

Finding the Fourth Proportional to 1,183,110.42, 1,632,692.34 and 639,246.36

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Solution

The fourth proportional to 1,183,110.42, 1,632,692.34 and 639,246.36 is: 882,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,110.42 : 1,632,692.34 = 639,246.36 : x
  2. Step 2: Convert to fraction form
    1,183,110.42/1,632,692.34 = 639,246.36/x
  3. Step 3: Cross multiply
    1,183,110.42x = 1,632,692.34 × 639,246.36
  4. Step 4: Simplify right side
    1,183,110.42x = 1,043,692,635,344.88
  5. Step 5: Solve for x
    x = 1,043,692,635,344.88/1,183,110.42
  6. Step 6: Final answer
    x = 882,159.96

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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.