Home / 1,683,343.89-2,323,014.54-919,399.26

Finding the Fourth Proportional to 1,683,343.89, 2,323,014.54 and 919,399.26

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Solution

The fourth proportional to 1,683,343.89, 2,323,014.54 and 919,399.26 is: 1,268,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,343.89 : 2,323,014.54 = 919,399.26 : x
  2. Step 2: Convert to fraction form
    1,683,343.89/2,323,014.54 = 919,399.26/x
  3. Step 3: Cross multiply
    1,683,343.89x = 2,323,014.54 × 919,399.26
  4. Step 4: Simplify right side
    1,683,343.89x = 2,135,777,849,045.24
  5. Step 5: Solve for x
    x = 2,135,777,849,045.24/1,683,343.89
  6. Step 6: Final answer
    x = 1,268,770.96

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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.