Home / 1,183,263.20-1,632,902.98-639,398.96

Finding the Fourth Proportional to 1,183,263.20, 1,632,902.98 and 639,398.96

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Solution

The fourth proportional to 1,183,263.20, 1,632,902.98 and 639,398.96 is: 882,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,263.20 : 1,632,902.98 = 639,398.96 : x
  2. Step 2: Convert to fraction form
    1,183,263.20/1,632,902.98 = 639,398.96/x
  3. Step 3: Cross multiply
    1,183,263.20x = 1,632,902.98 × 639,398.96
  4. Step 4: Simplify right side
    1,183,263.20x = 1,044,076,467,192.90
  5. Step 5: Solve for x
    x = 1,044,076,467,192.90/1,183,263.20
  6. Step 6: Final answer
    x = 882,370.44

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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.