Home / 366,310.66-505,510.26-213,453.72

Finding the Fourth Proportional to 366,310.66, 505,510.26 and 213,453.72

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Solution

The fourth proportional to 366,310.66, 505,510.26 and 213,453.72 is: 294,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,310.66 : 505,510.26 = 213,453.72 : x
  2. Step 2: Convert to fraction form
    366,310.66/505,510.26 = 213,453.72/x
  3. Step 3: Cross multiply
    366,310.66x = 505,510.26 × 213,453.72
  4. Step 4: Simplify right side
    366,310.66x = 107,903,045,495.17
  5. Step 5: Solve for x
    x = 107,903,045,495.17/366,310.66
  6. Step 6: Final answer
    x = 294,567.04

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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.