Home / 523,173-721,953.96-290,614.96

Finding the Fourth Proportional to 523,173, 721,953.96 and 290,614.96

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Solution

The fourth proportional to 523,173, 721,953.96 and 290,614.96 is: 401,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,173 : 721,953.96 = 290,614.96 : x
  2. Step 2: Convert to fraction form
    523,173/721,953.96 = 290,614.96/x
  3. Step 3: Cross multiply
    523,173x = 721,953.96 × 290,614.96
  4. Step 4: Simplify right side
    523,173x = 209,810,621,207.24
  5. Step 5: Solve for x
    x = 209,810,621,207.24/523,173
  6. Step 6: Final answer
    x = 401,034.88

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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.