Home / 397,321.17-548,288.13-216,033.24

Finding the Fourth Proportional to 397,321.17, 548,288.13 and 216,033.24

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Solution

The fourth proportional to 397,321.17, 548,288.13 and 216,033.24 is: 298,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,321.17 : 548,288.13 = 216,033.24 : x
  2. Step 2: Convert to fraction form
    397,321.17/548,288.13 = 216,033.24/x
  3. Step 3: Cross multiply
    397,321.17x = 548,288.13 × 216,033.24
  4. Step 4: Simplify right side
    397,321.17x = 118,448,461,177.44
  5. Step 5: Solve for x
    x = 118,448,461,177.44/397,321.17
  6. Step 6: Final answer
    x = 298,117.67

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1.5x scale

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.