Home / 497,056.30-685,946.83-276,314.36

Finding the Fourth Proportional to 497,056.30, 685,946.83 and 276,314.36

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Solution

The fourth proportional to 497,056.30, 685,946.83 and 276,314.36 is: 381,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,056.30 : 685,946.83 = 276,314.36 : x
  2. Step 2: Convert to fraction form
    497,056.30/685,946.83 = 276,314.36/x
  3. Step 3: Cross multiply
    497,056.30x = 685,946.83 × 276,314.36
  4. Step 4: Simplify right side
    497,056.30x = 189,536,955,204.96
  5. Step 5: Solve for x
    x = 189,536,955,204.96/497,056.30
  6. Step 6: Final answer
    x = 381,318.89

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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.