Home / 908,322.17-1,253,485.76-494,856.91

Finding the Fourth Proportional to 908,322.17, 1,253,485.76 and 494,856.91

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Solution

The fourth proportional to 908,322.17, 1,253,485.76 and 494,856.91 is: 682,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,322.17 : 1,253,485.76 = 494,856.91 : x
  2. Step 2: Convert to fraction form
    908,322.17/1,253,485.76 = 494,856.91/x
  3. Step 3: Cross multiply
    908,322.17x = 1,253,485.76 × 494,856.91
  4. Step 4: Simplify right side
    908,322.17x = 620,296,089,922.60
  5. Step 5: Solve for x
    x = 620,296,089,922.60/908,322.17
  6. Step 6: Final answer
    x = 682,903.17

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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.