Home / 383,852.12-529,155.18-268,768.13

Finding the Fourth Proportional to 383,852.12, 529,155.18 and 268,768.13

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Solution

The fourth proportional to 383,852.12, 529,155.18 and 268,768.13 is: 370,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,852.12 : 529,155.18 = 268,768.13 : x
  2. Step 2: Convert to fraction form
    383,852.12/529,155.18 = 268,768.13/x
  3. Step 3: Cross multiply
    383,852.12x = 529,155.18 × 268,768.13
  4. Step 4: Simplify right side
    383,852.12x = 142,220,045,562.64
  5. Step 5: Solve for x
    x = 142,220,045,562.64/383,852.12
  6. Step 6: Final answer
    x = 370,507.39

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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.