Home / 445,938.48-615,906.38-293,657.67

Finding the Fourth Proportional to 445,938.48, 615,906.38 and 293,657.67

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Solution

The fourth proportional to 445,938.48, 615,906.38 and 293,657.67 is: 405,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,938.48 : 615,906.38 = 293,657.67 : x
  2. Step 2: Convert to fraction form
    445,938.48/615,906.38 = 293,657.67/x
  3. Step 3: Cross multiply
    445,938.48x = 615,906.38 × 293,657.67
  4. Step 4: Simplify right side
    445,938.48x = 180,865,633,223.08
  5. Step 5: Solve for x
    x = 180,865,633,223.08/445,938.48
  6. Step 6: Final answer
    x = 405,584.27

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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.