Home / 406,313.28-609,555.78-121,993.56

Finding the Fourth Proportional to 406,313.28, 609,555.78 and 121,993.56

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Solution

The fourth proportional to 406,313.28, 609,555.78 and 121,993.56 is: 183,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,313.28 : 609,555.78 = 121,993.56 : x
  2. Step 2: Convert to fraction form
    406,313.28/609,555.78 = 121,993.56/x
  3. Step 3: Cross multiply
    406,313.28x = 609,555.78 × 121,993.56
  4. Step 4: Simplify right side
    406,313.28x = 74,361,879,620.78
  5. Step 5: Solve for x
    x = 74,361,879,620.78/406,313.28
  6. Step 6: Final answer
    x = 183,016.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.