Home / 459,538.56-633,735.36-298,221.12

Finding the Fourth Proportional to 459,538.56, 633,735.36 and 298,221.12

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Solution

The fourth proportional to 459,538.56, 633,735.36 and 298,221.12 is: 411,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,538.56 : 633,735.36 = 298,221.12 : x
  2. Step 2: Convert to fraction form
    459,538.56/633,735.36 = 298,221.12/x
  3. Step 3: Cross multiply
    459,538.56x = 633,735.36 × 298,221.12
  4. Step 4: Simplify right side
    459,538.56x = 188,993,268,842.80
  5. Step 5: Solve for x
    x = 188,993,268,842.80/459,538.56
  6. Step 6: Final answer
    x = 411,267.49

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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.