Home / 786,360.56-1,179,538.84-217,739.75

Finding the Fourth Proportional to 786,360.56, 1,179,538.84 and 217,739.75

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Solution

The fourth proportional to 786,360.56, 1,179,538.84 and 217,739.75 is: 326,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,360.56 : 1,179,538.84 = 217,739.75 : x
  2. Step 2: Convert to fraction form
    786,360.56/1,179,538.84 = 217,739.75/x
  3. Step 3: Cross multiply
    786,360.56x = 1,179,538.84 × 217,739.75
  4. Step 4: Simplify right side
    786,360.56x = 256,832,494,541.39
  5. Step 5: Solve for x
    x = 256,832,494,541.39/786,360.56
  6. Step 6: Final answer
    x = 326,609.08

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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.