Home / 1,200,177.93-1,656,662.63-691,083.21

Finding the Fourth Proportional to 1,200,177.93, 1,656,662.63 and 691,083.21

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Solution

The fourth proportional to 1,200,177.93, 1,656,662.63 and 691,083.21 is: 953,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,177.93 : 1,656,662.63 = 691,083.21 : x
  2. Step 2: Convert to fraction form
    1,200,177.93/1,656,662.63 = 691,083.21/x
  3. Step 3: Cross multiply
    1,200,177.93x = 1,656,662.63 × 691,083.21
  4. Step 4: Simplify right side
    1,200,177.93x = 1,144,891,724,772.03
  5. Step 5: Solve for x
    x = 1,144,891,724,772.03/1,200,177.93
  6. Step 6: Final answer
    x = 953,934.99

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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.