Home / 334,396.08-458,629.23-320,663.61

Finding the Fourth Proportional to 334,396.08, 458,629.23 and 320,663.61

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Solution

The fourth proportional to 334,396.08, 458,629.23 and 320,663.61 is: 439,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,396.08 : 458,629.23 = 320,663.61 : x
  2. Step 2: Convert to fraction form
    334,396.08/458,629.23 = 320,663.61/x
  3. Step 3: Cross multiply
    334,396.08x = 458,629.23 × 320,663.61
  4. Step 4: Simplify right side
    334,396.08x = 147,065,702,250.17
  5. Step 5: Solve for x
    x = 147,065,702,250.17/334,396.08
  6. Step 6: Final answer
    x = 439,794.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.