Home / 405,170.17-559,132.54-223,882.13

Finding the Fourth Proportional to 405,170.17, 559,132.54 and 223,882.13

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Solution

The fourth proportional to 405,170.17, 559,132.54 and 223,882.13 is: 308,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,170.17 : 559,132.54 = 223,882.13 : x
  2. Step 2: Convert to fraction form
    405,170.17/559,132.54 = 223,882.13/x
  3. Step 3: Cross multiply
    405,170.17x = 559,132.54 × 223,882.13
  4. Step 4: Simplify right side
    405,170.17x = 125,179,784,845.64
  5. Step 5: Solve for x
    x = 125,179,784,845.64/405,170.17
  6. Step 6: Final answer
    x = 308,956.08

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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.