Home / 908,637.24-1,253,889.99-521,516.38

Finding the Fourth Proportional to 908,637.24, 1,253,889.99 and 521,516.38

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Solution

The fourth proportional to 908,637.24, 1,253,889.99 and 521,516.38 is: 719,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,637.24 : 1,253,889.99 = 521,516.38 : x
  2. Step 2: Convert to fraction form
    908,637.24/1,253,889.99 = 521,516.38/x
  3. Step 3: Cross multiply
    908,637.24x = 1,253,889.99 × 521,516.38
  4. Step 4: Simplify right side
    908,637.24x = 653,924,168,503.04
  5. Step 5: Solve for x
    x = 653,924,168,503.04/908,637.24
  6. Step 6: Final answer
    x = 719,675.73

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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.