Home / 405,111.32-559,005.96-223,812.44

Finding the Fourth Proportional to 405,111.32, 559,005.96 and 223,812.44

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Solution

The fourth proportional to 405,111.32, 559,005.96 and 223,812.44 is: 308,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,111.32 : 559,005.96 = 223,812.44 : x
  2. Step 2: Convert to fraction form
    405,111.32/559,005.96 = 223,812.44/x
  3. Step 3: Cross multiply
    405,111.32x = 559,005.96 × 223,812.44
  4. Step 4: Simplify right side
    405,111.32x = 125,112,487,882.14
  5. Step 5: Solve for x
    x = 125,112,487,882.14/405,111.32
  6. Step 6: Final answer
    x = 308,834.84

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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.