Home / 383,237.44-528,868.19-208,806.77

Finding the Fourth Proportional to 383,237.44, 528,868.19 and 208,806.77

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Solution

The fourth proportional to 383,237.44, 528,868.19 and 208,806.77 is: 288,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,237.44 : 528,868.19 = 208,806.77 : x
  2. Step 2: Convert to fraction form
    383,237.44/528,868.19 = 208,806.77/x
  3. Step 3: Cross multiply
    383,237.44x = 528,868.19 × 208,806.77
  4. Step 4: Simplify right side
    383,237.44x = 110,431,257,465.61
  5. Step 5: Solve for x
    x = 110,431,257,465.61/383,237.44
  6. Step 6: Final answer
    x = 288,153.63

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1.5x scale

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.