Home / 934,220.68-1,289,224.54-504,500.81

Finding the Fourth Proportional to 934,220.68, 1,289,224.54 and 504,500.81

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Solution

The fourth proportional to 934,220.68, 1,289,224.54 and 504,500.81 is: 696,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,220.68 : 1,289,224.54 = 504,500.81 : x
  2. Step 2: Convert to fraction form
    934,220.68/1,289,224.54 = 504,500.81/x
  3. Step 3: Cross multiply
    934,220.68x = 1,289,224.54 × 504,500.81
  4. Step 4: Simplify right side
    934,220.68x = 650,414,818,176.95
  5. Step 5: Solve for x
    x = 650,414,818,176.95/934,220.68
  6. Step 6: Final answer
    x = 696,211.11

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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.