Home / 786,522.56-1,179,809.96-217,909.37

Finding the Fourth Proportional to 786,522.56, 1,179,809.96 and 217,909.37

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Solution

The fourth proportional to 786,522.56, 1,179,809.96 and 217,909.37 is: 326,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,522.56 : 1,179,809.96 = 217,909.37 : x
  2. Step 2: Convert to fraction form
    786,522.56/1,179,809.96 = 217,909.37/x
  3. Step 3: Cross multiply
    786,522.56x = 1,179,809.96 × 217,909.37
  4. Step 4: Simplify right side
    786,522.56x = 257,091,646,963.30
  5. Step 5: Solve for x
    x = 257,091,646,963.30/786,522.56
  6. Step 6: Final answer
    x = 326,871.30

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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.