Home / 435,415.68-653,120.28-236,997.36

Finding the Fourth Proportional to 435,415.68, 653,120.28 and 236,997.36

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Solution

The fourth proportional to 435,415.68, 653,120.28 and 236,997.36 is: 355,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,415.68 : 653,120.28 = 236,997.36 : x
  2. Step 2: Convert to fraction form
    435,415.68/653,120.28 = 236,997.36/x
  3. Step 3: Cross multiply
    435,415.68x = 653,120.28 × 236,997.36
  4. Step 4: Simplify right side
    435,415.68x = 154,787,782,122.46
  5. Step 5: Solve for x
    x = 154,787,782,122.46/435,415.68
  6. Step 6: Final answer
    x = 355,494.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.