Home / 1,683,668.34-2,323,513.40-919,771.11

Finding the Fourth Proportional to 1,683,668.34, 2,323,513.40 and 919,771.11

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Solution

The fourth proportional to 1,683,668.34, 2,323,513.40 and 919,771.11 is: 1,269,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,668.34 : 2,323,513.40 = 919,771.11 : x
  2. Step 2: Convert to fraction form
    1,683,668.34/2,323,513.40 = 919,771.11/x
  3. Step 3: Cross multiply
    1,683,668.34x = 2,323,513.40 × 919,771.11
  4. Step 4: Simplify right side
    1,683,668.34x = 2,137,100,494,419.02
  5. Step 5: Solve for x
    x = 2,137,100,494,419.02/1,683,668.34
  6. Step 6: Final answer
    x = 1,269,312.04

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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.