Home / 383,979.82-575,948.16-117,739.60

Finding the Fourth Proportional to 383,979.82, 575,948.16 and 117,739.60

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Solution

The fourth proportional to 383,979.82, 575,948.16 and 117,739.60 is: 176,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,979.82 : 575,948.16 = 117,739.60 : x
  2. Step 2: Convert to fraction form
    383,979.82/575,948.16 = 117,739.60/x
  3. Step 3: Cross multiply
    383,979.82x = 575,948.16 × 117,739.60
  4. Step 4: Simplify right side
    383,979.82x = 67,811,905,979.14
  5. Step 5: Solve for x
    x = 67,811,905,979.14/383,979.82
  6. Step 6: Final answer
    x = 176,602.79

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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.