Home / 405,085.23-559,012.26-223,797.51

Finding the Fourth Proportional to 405,085.23, 559,012.26 and 223,797.51

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Solution

The fourth proportional to 405,085.23, 559,012.26 and 223,797.51 is: 308,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,085.23 : 559,012.26 = 223,797.51 : x
  2. Step 2: Convert to fraction form
    405,085.23/559,012.26 = 223,797.51/x
  3. Step 3: Cross multiply
    405,085.23x = 559,012.26 × 223,797.51
  4. Step 4: Simplify right side
    405,085.23x = 125,105,551,847.47
  5. Step 5: Solve for x
    x = 125,105,551,847.47/405,085.23
  6. Step 6: Final answer
    x = 308,837.60

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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.