Home / 449,239.30-619,945.46-245,289.58

Finding the Fourth Proportional to 449,239.30, 619,945.46 and 245,289.58

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Solution

The fourth proportional to 449,239.30, 619,945.46 and 245,289.58 is: 338,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,239.30 : 619,945.46 = 245,289.58 : x
  2. Step 2: Convert to fraction form
    449,239.30/619,945.46 = 245,289.58/x
  3. Step 3: Cross multiply
    449,239.30x = 619,945.46 × 245,289.58
  4. Step 4: Simplify right side
    449,239.30x = 152,066,161,506.31
  5. Step 5: Solve for x
    x = 152,066,161,506.31/449,239.30
  6. Step 6: Final answer
    x = 338,497.01

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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.