Home / 908,989.18-1,256,672.55-682,241.02

Finding the Fourth Proportional to 908,989.18, 1,256,672.55 and 682,241.02

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Solution

The fourth proportional to 908,989.18, 1,256,672.55 and 682,241.02 is: 943,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,989.18 : 1,256,672.55 = 682,241.02 : x
  2. Step 2: Convert to fraction form
    908,989.18/1,256,672.55 = 682,241.02/x
  3. Step 3: Cross multiply
    908,989.18x = 1,256,672.55 × 682,241.02
  4. Step 4: Simplify right side
    908,989.18x = 857,353,562,318.00
  5. Step 5: Solve for x
    x = 857,353,562,318.00/908,989.18
  6. Step 6: Final answer
    x = 943,194.46

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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.