Home / 1,683,623.70-2,323,362.96-919,680.30

Finding the Fourth Proportional to 1,683,623.70, 2,323,362.96 and 919,680.30

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Solution

The fourth proportional to 1,683,623.70, 2,323,362.96 and 919,680.30 is: 1,269,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,623.70 : 2,323,362.96 = 919,680.30 : x
  2. Step 2: Convert to fraction form
    1,683,623.70/2,323,362.96 = 919,680.30/x
  3. Step 3: Cross multiply
    1,683,623.70x = 2,323,362.96 × 919,680.30
  4. Step 4: Simplify right side
    1,683,623.70x = 2,136,751,144,061.69
  5. Step 5: Solve for x
    x = 2,136,751,144,061.69/1,683,623.70
  6. Step 6: Final answer
    x = 1,269,138.20

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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.