Home / 1,314,687.78-1,814,269.26-711,075.78

Finding the Fourth Proportional to 1,314,687.78, 1,814,269.26 and 711,075.78

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Solution

The fourth proportional to 1,314,687.78, 1,814,269.26 and 711,075.78 is: 981,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,687.78 : 1,814,269.26 = 711,075.78 : x
  2. Step 2: Convert to fraction form
    1,314,687.78/1,814,269.26 = 711,075.78/x
  3. Step 3: Cross multiply
    1,314,687.78x = 1,814,269.26 × 711,075.78
  4. Step 4: Simplify right side
    1,314,687.78x = 1,290,082,929,184.52
  5. Step 5: Solve for x
    x = 1,290,082,929,184.52/1,314,687.78
  6. Step 6: Final answer
    x = 981,284.64

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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.