Home / 463,766.30-639,996.08-257,047.89

Finding the Fourth Proportional to 463,766.30, 639,996.08 and 257,047.89

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Solution

The fourth proportional to 463,766.30, 639,996.08 and 257,047.89 is: 354,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,766.30 : 639,996.08 = 257,047.89 : x
  2. Step 2: Convert to fraction form
    463,766.30/639,996.08 = 257,047.89/x
  3. Step 3: Cross multiply
    463,766.30x = 639,996.08 × 257,047.89
  4. Step 4: Simplify right side
    463,766.30x = 164,509,642,614.89
  5. Step 5: Solve for x
    x = 164,509,642,614.89/463,766.30
  6. Step 6: Final answer
    x = 354,725.30

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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.