Home / 653,286.84-901,452.23-381,292.36

Finding the Fourth Proportional to 653,286.84, 901,452.23 and 381,292.36

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Solution

The fourth proportional to 653,286.84, 901,452.23 and 381,292.36 is: 526,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,286.84 : 901,452.23 = 381,292.36 : x
  2. Step 2: Convert to fraction form
    653,286.84/901,452.23 = 381,292.36/x
  3. Step 3: Cross multiply
    653,286.84x = 901,452.23 × 381,292.36
  4. Step 4: Simplify right side
    653,286.84x = 343,716,848,203.96
  5. Step 5: Solve for x
    x = 343,716,848,203.96/653,286.84
  6. Step 6: Final answer
    x = 526,134.66

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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.