Home / 397,945.68-596,918.64-117,441.12

Finding the Fourth Proportional to 397,945.68, 596,918.64 and 117,441.12

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Solution

The fourth proportional to 397,945.68, 596,918.64 and 117,441.12 is: 176,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,945.68 : 596,918.64 = 117,441.12 : x
  2. Step 2: Convert to fraction form
    397,945.68/596,918.64 = 117,441.12/x
  3. Step 3: Cross multiply
    397,945.68x = 596,918.64 × 117,441.12
  4. Step 4: Simplify right side
    397,945.68x = 70,102,793,630.48
  5. Step 5: Solve for x
    x = 70,102,793,630.48/397,945.68
  6. Step 6: Final answer
    x = 176,161.72

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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.