Home / 1,222,128.59-1,833,185.60-664,706.03

Finding the Fourth Proportional to 1,222,128.59, 1,833,185.60 and 664,706.03

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Solution

The fourth proportional to 1,222,128.59, 1,833,185.60 and 664,706.03 is: 997,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,128.59 : 1,833,185.60 = 664,706.03 : x
  2. Step 2: Convert to fraction form
    1,222,128.59/1,833,185.60 = 664,706.03/x
  3. Step 3: Cross multiply
    1,222,128.59x = 1,833,185.60 × 664,706.03
  4. Step 4: Simplify right side
    1,222,128.59x = 1,218,529,522,429.17
  5. Step 5: Solve for x
    x = 1,218,529,522,429.17/1,222,128.59
  6. Step 6: Final answer
    x = 997,055.08

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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.