Home / 397,938.10-549,069.44-236,761.67

Finding the Fourth Proportional to 397,938.10, 549,069.44 and 236,761.67

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Solution

The fourth proportional to 397,938.10, 549,069.44 and 236,761.67 is: 326,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,938.10 : 549,069.44 = 236,761.67 : x
  2. Step 2: Convert to fraction form
    397,938.10/549,069.44 = 236,761.67/x
  3. Step 3: Cross multiply
    397,938.10x = 549,069.44 × 236,761.67
  4. Step 4: Simplify right side
    397,938.10x = 129,998,595,003.88
  5. Step 5: Solve for x
    x = 129,998,595,003.88/397,938.10
  6. Step 6: Final answer
    x = 326,680.44

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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.