Home / 1,183,038.67-1,632,594.05-639,174.30

Finding the Fourth Proportional to 1,183,038.67, 1,632,594.05 and 639,174.30

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Solution

The fourth proportional to 1,183,038.67, 1,632,594.05 and 639,174.30 is: 882,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,038.67 : 1,632,594.05 = 639,174.30 : x
  2. Step 2: Convert to fraction form
    1,183,038.67/1,632,594.05 = 639,174.30/x
  3. Step 3: Cross multiply
    1,183,038.67x = 1,632,594.05 × 639,174.30
  4. Step 4: Simplify right side
    1,183,038.67x = 1,043,512,159,092.92
  5. Step 5: Solve for x
    x = 1,043,512,159,092.92/1,183,038.67
  6. Step 6: Final answer
    x = 882,060.90

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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.