Home / 1,683,123.90-2,322,729.45-919,199.94

Finding the Fourth Proportional to 1,683,123.90, 2,322,729.45 and 919,199.94

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Solution

The fourth proportional to 1,683,123.90, 2,322,729.45 and 919,199.94 is: 1,268,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,123.90 : 2,322,729.45 = 919,199.94 : x
  2. Step 2: Convert to fraction form
    1,683,123.90/2,322,729.45 = 919,199.94/x
  3. Step 3: Cross multiply
    1,683,123.90x = 2,322,729.45 × 919,199.94
  4. Step 4: Simplify right side
    1,683,123.90x = 2,135,052,771,076.23
  5. Step 5: Solve for x
    x = 2,135,052,771,076.23/1,683,123.90
  6. Step 6: Final answer
    x = 1,268,506.00

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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.