Home / 1,316,434.23-1,809,704.50-1,131,997.32

Finding the Fourth Proportional to 1,316,434.23, 1,809,704.50 and 1,131,997.32

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Solution

The fourth proportional to 1,316,434.23, 1,809,704.50 and 1,131,997.32 is: 1,556,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,434.23 : 1,809,704.50 = 1,131,997.32 : x
  2. Step 2: Convert to fraction form
    1,316,434.23/1,809,704.50 = 1,131,997.32/x
  3. Step 3: Cross multiply
    1,316,434.23x = 1,809,704.50 × 1,131,997.32
  4. Step 4: Simplify right side
    1,316,434.23x = 2,048,580,641,161.95
  5. Step 5: Solve for x
    x = 2,048,580,641,161.95/1,316,434.23
  6. Step 6: Final answer
    x = 1,556,158.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.