Home / 1,253,999.85-1,880,999.78-934,665.45

Finding the Fourth Proportional to 1,253,999.85, 1,880,999.78 and 934,665.45

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Solution

The fourth proportional to 1,253,999.85, 1,880,999.78 and 934,665.45 is: 1,401,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,999.85 : 1,880,999.78 = 934,665.45 : x
  2. Step 2: Convert to fraction form
    1,253,999.85/1,880,999.78 = 934,665.45/x
  3. Step 3: Cross multiply
    1,253,999.85x = 1,880,999.78 × 934,665.45
  4. Step 4: Simplify right side
    1,253,999.85x = 1,758,105,501,150.27
  5. Step 5: Solve for x
    x = 1,758,105,501,150.27/1,253,999.85
  6. Step 6: Final answer
    x = 1,401,998.18

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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.