Home / 481,024.21-664,017.87-299,826.40

Finding the Fourth Proportional to 481,024.21, 664,017.87 and 299,826.40

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Solution

The fourth proportional to 481,024.21, 664,017.87 and 299,826.40 is: 413,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,024.21 : 664,017.87 = 299,826.40 : x
  2. Step 2: Convert to fraction form
    481,024.21/664,017.87 = 299,826.40/x
  3. Step 3: Cross multiply
    481,024.21x = 664,017.87 × 299,826.40
  4. Step 4: Simplify right side
    481,024.21x = 199,090,087,497.77
  5. Step 5: Solve for x
    x = 199,090,087,497.77/481,024.21
  6. Step 6: Final answer
    x = 413,887.87

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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.