Home / 347,778.18-479,114.55-326,852.69

Finding the Fourth Proportional to 347,778.18, 479,114.55 and 326,852.69

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Solution

The fourth proportional to 347,778.18, 479,114.55 and 326,852.69 is: 450,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,778.18 : 479,114.55 = 326,852.69 : x
  2. Step 2: Convert to fraction form
    347,778.18/479,114.55 = 326,852.69/x
  3. Step 3: Cross multiply
    347,778.18x = 479,114.55 × 326,852.69
  4. Step 4: Simplify right side
    347,778.18x = 156,599,879,648.06
  5. Step 5: Solve for x
    x = 156,599,879,648.06/347,778.18
  6. Step 6: Final answer
    x = 450,286.67

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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.