Home / 383,115.02-528,146.38-268,037.13

Finding the Fourth Proportional to 383,115.02, 528,146.38 and 268,037.13

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Solution

The fourth proportional to 383,115.02, 528,146.38 and 268,037.13 is: 369,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,115.02 : 528,146.38 = 268,037.13 : x
  2. Step 2: Convert to fraction form
    383,115.02/528,146.38 = 268,037.13/x
  3. Step 3: Cross multiply
    383,115.02x = 528,146.38 × 268,037.13
  4. Step 4: Simplify right side
    383,115.02x = 141,562,836,266.74
  5. Step 5: Solve for x
    x = 141,562,836,266.74/383,115.02
  6. Step 6: Final answer
    x = 369,504.80

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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.