Home / 1,114,914.90-1,538,556.74-649,739.12

Finding the Fourth Proportional to 1,114,914.90, 1,538,556.74 and 649,739.12

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Solution

The fourth proportional to 1,114,914.90, 1,538,556.74 and 649,739.12 is: 896,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,914.90 : 1,538,556.74 = 649,739.12 : x
  2. Step 2: Convert to fraction form
    1,114,914.90/1,538,556.74 = 649,739.12/x
  3. Step 3: Cross multiply
    1,114,914.90x = 1,538,556.74 × 649,739.12
  4. Step 4: Simplify right side
    1,114,914.90x = 999,660,503,942.02
  5. Step 5: Solve for x
    x = 999,660,503,942.02/1,114,914.90
  6. Step 6: Final answer
    x = 896,624.94

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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.