Home / 1,159,201.70-1,738,802.55-783,188.90

Finding the Fourth Proportional to 1,159,201.70, 1,738,802.55 and 783,188.90

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Solution

The fourth proportional to 1,159,201.70, 1,738,802.55 and 783,188.90 is: 1,174,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,201.70 : 1,738,802.55 = 783,188.90 : x
  2. Step 2: Convert to fraction form
    1,159,201.70/1,738,802.55 = 783,188.90/x
  3. Step 3: Cross multiply
    1,159,201.70x = 1,738,802.55 × 783,188.90
  4. Step 4: Simplify right side
    1,159,201.70x = 1,361,810,856,451.70
  5. Step 5: Solve for x
    x = 1,361,810,856,451.70/1,159,201.70
  6. Step 6: Final answer
    x = 1,174,783.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.