Home / 936,889.65-1,405,124.14-430,964.73

Finding the Fourth Proportional to 936,889.65, 1,405,124.14 and 430,964.73

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Solution

The fourth proportional to 936,889.65, 1,405,124.14 and 430,964.73 is: 646,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,889.65 : 1,405,124.14 = 430,964.73 : x
  2. Step 2: Convert to fraction form
    936,889.65/1,405,124.14 = 430,964.73/x
  3. Step 3: Cross multiply
    936,889.65x = 1,405,124.14 × 430,964.73
  4. Step 4: Simplify right side
    936,889.65x = 605,558,945,611.58
  5. Step 5: Solve for x
    x = 605,558,945,611.58/936,889.65
  6. Step 6: Final answer
    x = 646,350.34

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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.