Home / 449,239.35-619,945.60-245,289.68

Finding the Fourth Proportional to 449,239.35, 619,945.60 and 245,289.68

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Solution

The fourth proportional to 449,239.35, 619,945.60 and 245,289.68 is: 338,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,239.35 : 619,945.60 = 245,289.68 : x
  2. Step 2: Convert to fraction form
    449,239.35/619,945.60 = 245,289.68/x
  3. Step 3: Cross multiply
    449,239.35x = 619,945.60 × 245,289.68
  4. Step 4: Simplify right side
    449,239.35x = 152,066,257,841.41
  5. Step 5: Solve for x
    x = 152,066,257,841.41/449,239.35
  6. Step 6: Final answer
    x = 338,497.19

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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.