Home / 1,173,540.76-1,619,491.56-664,341.64

Finding the Fourth Proportional to 1,173,540.76, 1,619,491.56 and 664,341.64

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Solution

The fourth proportional to 1,173,540.76, 1,619,491.56 and 664,341.64 is: 916,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,540.76 : 1,619,491.56 = 664,341.64 : x
  2. Step 2: Convert to fraction form
    1,173,540.76/1,619,491.56 = 664,341.64/x
  3. Step 3: Cross multiply
    1,173,540.76x = 1,619,491.56 × 664,341.64
  4. Step 4: Simplify right side
    1,173,540.76x = 1,075,895,678,936.56
  5. Step 5: Solve for x
    x = 1,075,895,678,936.56/1,173,540.76
  6. Step 6: Final answer
    x = 916,794.47

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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.