Home / 447,086.70-616,733.73-283,444.02

Finding the Fourth Proportional to 447,086.70, 616,733.73 and 283,444.02

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Solution

The fourth proportional to 447,086.70, 616,733.73 and 283,444.02 is: 390,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,086.70 : 616,733.73 = 283,444.02 : x
  2. Step 2: Convert to fraction form
    447,086.70/616,733.73 = 283,444.02/x
  3. Step 3: Cross multiply
    447,086.70x = 616,733.73 × 283,444.02
  4. Step 4: Simplify right side
    447,086.70x = 174,809,487,700.80
  5. Step 5: Solve for x
    x = 174,809,487,700.80/447,086.70
  6. Step 6: Final answer
    x = 390,996.84

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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.