Home / 383,210.53-528,830.67-222,158.94

Finding the Fourth Proportional to 383,210.53, 528,830.67 and 222,158.94

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Solution

The fourth proportional to 383,210.53, 528,830.67 and 222,158.94 is: 306,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,210.53 : 528,830.67 = 222,158.94 : x
  2. Step 2: Convert to fraction form
    383,210.53/528,830.67 = 222,158.94/x
  3. Step 3: Cross multiply
    383,210.53x = 528,830.67 × 222,158.94
  4. Step 4: Simplify right side
    383,210.53x = 117,484,459,936.67
  5. Step 5: Solve for x
    x = 117,484,459,936.67/383,210.53
  6. Step 6: Final answer
    x = 306,579.42

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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.