Home / 449,040.13-619,676.21-247,836.13

Finding the Fourth Proportional to 449,040.13, 619,676.21 and 247,836.13

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Solution

The fourth proportional to 449,040.13, 619,676.21 and 247,836.13 is: 342,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,040.13 : 619,676.21 = 247,836.13 : x
  2. Step 2: Convert to fraction form
    449,040.13/619,676.21 = 247,836.13/x
  3. Step 3: Cross multiply
    449,040.13x = 619,676.21 × 247,836.13
  4. Step 4: Simplify right side
    449,040.13x = 153,578,153,739.47
  5. Step 5: Solve for x
    x = 153,578,153,739.47/449,040.13
  6. Step 6: Final answer
    x = 342,014.32

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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.