Home / 977,467.70-1,466,201.55-820,003.70

Finding the Fourth Proportional to 977,467.70, 1,466,201.55 and 820,003.70

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Solution

The fourth proportional to 977,467.70, 1,466,201.55 and 820,003.70 is: 1,230,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,467.70 : 1,466,201.55 = 820,003.70 : x
  2. Step 2: Convert to fraction form
    977,467.70/1,466,201.55 = 820,003.70/x
  3. Step 3: Cross multiply
    977,467.70x = 1,466,201.55 × 820,003.70
  4. Step 4: Simplify right side
    977,467.70x = 1,202,290,695,945.73
  5. Step 5: Solve for x
    x = 1,202,290,695,945.73/977,467.70
  6. Step 6: Final answer
    x = 1,230,005.55

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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.