Home / 591,088.70-815,703.30-336,439.88

Finding the Fourth Proportional to 591,088.70, 815,703.30 and 336,439.88

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Solution

The fourth proportional to 591,088.70, 815,703.30 and 336,439.88 is: 464,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,088.70 : 815,703.30 = 336,439.88 : x
  2. Step 2: Convert to fraction form
    591,088.70/815,703.30 = 336,439.88/x
  3. Step 3: Cross multiply
    591,088.70x = 815,703.30 × 336,439.88
  4. Step 4: Simplify right side
    591,088.70x = 274,435,116,289.09
  5. Step 5: Solve for x
    x = 274,435,116,289.09/591,088.70
  6. Step 6: Final answer
    x = 464,287.54

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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.