Home / 936,116.10-1,405,556.55-725,991.30

Finding the Fourth Proportional to 936,116.10, 1,405,556.55 and 725,991.30

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Solution

The fourth proportional to 936,116.10, 1,405,556.55 and 725,991.30 is: 1,090,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,116.10 : 1,405,556.55 = 725,991.30 : x
  2. Step 2: Convert to fraction form
    936,116.10/1,405,556.55 = 725,991.30/x
  3. Step 3: Cross multiply
    936,116.10x = 1,405,556.55 × 725,991.30
  4. Step 4: Simplify right side
    936,116.10x = 1,020,421,826,958.02
  5. Step 5: Solve for x
    x = 1,020,421,826,958.02/936,116.10
  6. Step 6: Final answer
    x = 1,090,059.05

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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.