Home / 1,434,762.75-1,977,664.90-969,471.33

Finding the Fourth Proportional to 1,434,762.75, 1,977,664.90 and 969,471.33

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Solution

The fourth proportional to 1,434,762.75, 1,977,664.90 and 969,471.33 is: 1,336,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,762.75 : 1,977,664.90 = 969,471.33 : x
  2. Step 2: Convert to fraction form
    1,434,762.75/1,977,664.90 = 969,471.33/x
  3. Step 3: Cross multiply
    1,434,762.75x = 1,977,664.90 × 969,471.33
  4. Step 4: Simplify right side
    1,434,762.75x = 1,917,289,411,057.40
  5. Step 5: Solve for x
    x = 1,917,289,411,057.40/1,434,762.75
  6. Step 6: Final answer
    x = 1,336,311.11

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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.