Home / 383,315.84-528,981.60-222,182.24

Finding the Fourth Proportional to 383,315.84, 528,981.60 and 222,182.24

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Solution

The fourth proportional to 383,315.84, 528,981.60 and 222,182.24 is: 306,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,315.84 : 528,981.60 = 222,182.24 : x
  2. Step 2: Convert to fraction form
    383,315.84/528,981.60 = 222,182.24/x
  3. Step 3: Cross multiply
    383,315.84x = 528,981.60 × 222,182.24
  4. Step 4: Simplify right side
    383,315.84x = 117,530,316,806.78
  5. Step 5: Solve for x
    x = 117,530,316,806.78/383,315.84
  6. Step 6: Final answer
    x = 306,614.82

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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.