Home / 1,711,995.50-2,567,987.31-513,912.98

Finding the Fourth Proportional to 1,711,995.50, 2,567,987.31 and 513,912.98

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Solution

The fourth proportional to 1,711,995.50, 2,567,987.31 and 513,912.98 is: 770,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,995.50 : 2,567,987.31 = 513,912.98 : x
  2. Step 2: Convert to fraction form
    1,711,995.50/2,567,987.31 = 513,912.98/x
  3. Step 3: Cross multiply
    1,711,995.50x = 2,567,987.31 × 513,912.98
  4. Step 4: Simplify right side
    1,711,995.50x = 1,319,722,011,084.28
  5. Step 5: Solve for x
    x = 1,319,722,011,084.28/1,711,995.50
  6. Step 6: Final answer
    x = 770,867.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.