Home / 1,075,556.56-1,614,332.38-543,451.28

Finding the Fourth Proportional to 1,075,556.56, 1,614,332.38 and 543,451.28

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Solution

The fourth proportional to 1,075,556.56, 1,614,332.38 and 543,451.28 is: 815,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,556.56 : 1,614,332.38 = 543,451.28 : x
  2. Step 2: Convert to fraction form
    1,075,556.56/1,614,332.38 = 543,451.28/x
  3. Step 3: Cross multiply
    1,075,556.56x = 1,614,332.38 × 543,451.28
  4. Step 4: Simplify right side
    1,075,556.56x = 877,310,998,256.45
  5. Step 5: Solve for x
    x = 877,310,998,256.45/1,075,556.56
  6. Step 6: Final answer
    x = 815,680.95

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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.