Home / 461,784.87-637,257.03-257,839.26

Finding the Fourth Proportional to 461,784.87, 637,257.03 and 257,839.26

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Solution

The fourth proportional to 461,784.87, 637,257.03 and 257,839.26 is: 355,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,784.87 : 637,257.03 = 257,839.26 : x
  2. Step 2: Convert to fraction form
    461,784.87/637,257.03 = 257,839.26/x
  3. Step 3: Cross multiply
    461,784.87x = 637,257.03 × 257,839.26
  4. Step 4: Simplify right side
    461,784.87x = 164,309,881,045.00
  5. Step 5: Solve for x
    x = 164,309,881,045.00/461,784.87
  6. Step 6: Final answer
    x = 355,814.78

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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.