Home / 398,419.50-597,746.30-117,944.04

Finding the Fourth Proportional to 398,419.50, 597,746.30 and 117,944.04

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Solution

The fourth proportional to 398,419.50, 597,746.30 and 117,944.04 is: 176,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,419.50 : 597,746.30 = 117,944.04 : x
  2. Step 2: Convert to fraction form
    398,419.50/597,746.30 = 117,944.04/x
  3. Step 3: Cross multiply
    398,419.50x = 597,746.30 × 117,944.04
  4. Step 4: Simplify right side
    398,419.50x = 70,500,612,927.33
  5. Step 5: Solve for x
    x = 70,500,612,927.33/398,419.50
  6. Step 6: Final answer
    x = 176,950.71

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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.