Home / 786,604.73-1,179,903.71-217,984.19

Finding the Fourth Proportional to 786,604.73, 1,179,903.71 and 217,984.19

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Solution

The fourth proportional to 786,604.73, 1,179,903.71 and 217,984.19 is: 326,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,604.73 : 1,179,903.71 = 217,984.19 : x
  2. Step 2: Convert to fraction form
    786,604.73/1,179,903.71 = 217,984.19/x
  3. Step 3: Cross multiply
    786,604.73x = 1,179,903.71 × 217,984.19
  4. Step 4: Simplify right side
    786,604.73x = 257,200,349,147.79
  5. Step 5: Solve for x
    x = 257,200,349,147.79/786,604.73
  6. Step 6: Final answer
    x = 326,975.34

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1.5x scale

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.