Home / 1,212,509.58-1,673,253.06-668,668.02

Finding the Fourth Proportional to 1,212,509.58, 1,673,253.06 and 668,668.02

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Solution

The fourth proportional to 1,212,509.58, 1,673,253.06 and 668,668.02 is: 922,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,509.58 : 1,673,253.06 = 668,668.02 : x
  2. Step 2: Convert to fraction form
    1,212,509.58/1,673,253.06 = 668,668.02/x
  3. Step 3: Cross multiply
    1,212,509.58x = 1,673,253.06 × 668,668.02
  4. Step 4: Simplify right side
    1,212,509.58x = 1,118,850,810,589.14
  5. Step 5: Solve for x
    x = 1,118,850,810,589.14/1,212,509.58
  6. Step 6: Final answer
    x = 922,756.26

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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.