Home / 449,243.76-619,981.53-245,313.66

Finding the Fourth Proportional to 449,243.76, 619,981.53 and 245,313.66

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Solution

The fourth proportional to 449,243.76, 619,981.53 and 245,313.66 is: 338,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,243.76 : 619,981.53 = 245,313.66 : x
  2. Step 2: Convert to fraction form
    449,243.76/619,981.53 = 245,313.66/x
  3. Step 3: Cross multiply
    449,243.76x = 619,981.53 × 245,313.66
  4. Step 4: Simplify right side
    449,243.76x = 152,089,938,256.70
  5. Step 5: Solve for x
    x = 152,089,938,256.70/449,243.76
  6. Step 6: Final answer
    x = 338,546.58

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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.