Home / 414,147.04-570,112.50-306,514.24

Finding the Fourth Proportional to 414,147.04, 570,112.50 and 306,514.24

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Solution

The fourth proportional to 414,147.04, 570,112.50 and 306,514.24 is: 421,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,147.04 : 570,112.50 = 306,514.24 : x
  2. Step 2: Convert to fraction form
    414,147.04/570,112.50 = 306,514.24/x
  3. Step 3: Cross multiply
    414,147.04x = 570,112.50 × 306,514.24
  4. Step 4: Simplify right side
    414,147.04x = 174,747,599,652
  5. Step 5: Solve for x
    x = 174,747,599,652/414,147.04
  6. Step 6: Final answer
    x = 421,945.79

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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.