Home / 307,401.16-458,045.86-273,863.52

Finding the Fourth Proportional to 307,401.16, 458,045.86 and 273,863.52

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Solution

The fourth proportional to 307,401.16, 458,045.86 and 273,863.52 is: 408,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,401.16 : 458,045.86 = 273,863.52 : x
  2. Step 2: Convert to fraction form
    307,401.16/458,045.86 = 273,863.52/x
  3. Step 3: Cross multiply
    307,401.16x = 458,045.86 × 273,863.52
  4. Step 4: Simplify right side
    307,401.16x = 125,442,051,541.03
  5. Step 5: Solve for x
    x = 125,442,051,541.03/307,401.16
  6. Step 6: Final answer
    x = 408,072.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.