Home / 383,063.22-528,622.25-210,977.91

Finding the Fourth Proportional to 383,063.22, 528,622.25 and 210,977.91

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Solution

The fourth proportional to 383,063.22, 528,622.25 and 210,977.91 is: 291,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,063.22 : 528,622.25 = 210,977.91 : x
  2. Step 2: Convert to fraction form
    383,063.22/528,622.25 = 210,977.91/x
  3. Step 3: Cross multiply
    383,063.22x = 528,622.25 × 210,977.91
  4. Step 4: Simplify right side
    383,063.22x = 111,527,616,429.61
  5. Step 5: Solve for x
    x = 111,527,616,429.61/383,063.22
  6. Step 6: Final answer
    x = 291,146.76

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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.