Home / 1,197,952.21-1,653,197.07-654,109.55

Finding the Fourth Proportional to 1,197,952.21, 1,653,197.07 and 654,109.55

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Solution

The fourth proportional to 1,197,952.21, 1,653,197.07 and 654,109.55 is: 902,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,952.21 : 1,653,197.07 = 654,109.55 : x
  2. Step 2: Convert to fraction form
    1,197,952.21/1,653,197.07 = 654,109.55/x
  3. Step 3: Cross multiply
    1,197,952.21x = 1,653,197.07 × 654,109.55
  4. Step 4: Simplify right side
    1,197,952.21x = 1,081,371,991,519.02
  5. Step 5: Solve for x
    x = 1,081,371,991,519.02/1,197,952.21
  6. Step 6: Final answer
    x = 902,683.75

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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.