Home / 383,905.38-575,968.74-117,705.18

Finding the Fourth Proportional to 383,905.38, 575,968.74 and 117,705.18

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Solution

The fourth proportional to 383,905.38, 575,968.74 and 117,705.18 is: 176,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,905.38 : 575,968.74 = 117,705.18 : x
  2. Step 2: Convert to fraction form
    383,905.38/575,968.74 = 117,705.18/x
  3. Step 3: Cross multiply
    383,905.38x = 575,968.74 × 117,705.18
  4. Step 4: Simplify right side
    383,905.38x = 67,794,504,216.07
  5. Step 5: Solve for x
    x = 67,794,504,216.07/383,905.38
  6. Step 6: Final answer
    x = 176,591.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.