Home / 537,189.92-741,427.39-307,900.90

Finding the Fourth Proportional to 537,189.92, 741,427.39 and 307,900.90

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Solution

The fourth proportional to 537,189.92, 741,427.39 and 307,900.90 is: 424,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,189.92 : 741,427.39 = 307,900.90 : x
  2. Step 2: Convert to fraction form
    537,189.92/741,427.39 = 307,900.90/x
  3. Step 3: Cross multiply
    537,189.92x = 741,427.39 × 307,900.90
  4. Step 4: Simplify right side
    537,189.92x = 228,286,160,665.65
  5. Step 5: Solve for x
    x = 228,286,160,665.65/537,189.92
  6. Step 6: Final answer
    x = 424,963.60

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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.