Home / 405,210.24-559,180.44-223,912.80

Finding the Fourth Proportional to 405,210.24, 559,180.44 and 223,912.80

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Solution

The fourth proportional to 405,210.24, 559,180.44 and 223,912.80 is: 308,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,210.24 : 559,180.44 = 223,912.80 : x
  2. Step 2: Convert to fraction form
    405,210.24/559,180.44 = 223,912.80/x
  3. Step 3: Cross multiply
    405,210.24x = 559,180.44 × 223,912.80
  4. Step 4: Simplify right side
    405,210.24x = 125,207,658,025.63
  5. Step 5: Solve for x
    x = 125,207,658,025.63/405,210.24
  6. Step 6: Final answer
    x = 308,994.31

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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.