Home / 517,243.08-776,221.41-180,286.56

Finding the Fourth Proportional to 517,243.08, 776,221.41 and 180,286.56

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Solution

The fourth proportional to 517,243.08, 776,221.41 and 180,286.56 is: 270,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,243.08 : 776,221.41 = 180,286.56 : x
  2. Step 2: Convert to fraction form
    517,243.08/776,221.41 = 180,286.56/x
  3. Step 3: Cross multiply
    517,243.08x = 776,221.41 × 180,286.56
  4. Step 4: Simplify right side
    517,243.08x = 139,942,287,807.25
  5. Step 5: Solve for x
    x = 139,942,287,807.25/517,243.08
  6. Step 6: Final answer
    x = 270,554.20

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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.