Home / 469,984.49-646,084.70-404,333.48

Finding the Fourth Proportional to 469,984.49, 646,084.70 and 404,333.48

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Solution

The fourth proportional to 469,984.49, 646,084.70 and 404,333.48 is: 555,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,984.49 : 646,084.70 = 404,333.48 : x
  2. Step 2: Convert to fraction form
    469,984.49/646,084.70 = 404,333.48/x
  3. Step 3: Cross multiply
    469,984.49x = 646,084.70 × 404,333.48
  4. Step 4: Simplify right side
    469,984.49x = 261,233,677,751.80
  5. Step 5: Solve for x
    x = 261,233,677,751.80/469,984.49
  6. Step 6: Final answer
    x = 555,834.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.