Home / 1,683,667.69-2,323,512.48-919,770.46

Finding the Fourth Proportional to 1,683,667.69, 2,323,512.48 and 919,770.46

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Solution

The fourth proportional to 1,683,667.69, 2,323,512.48 and 919,770.46 is: 1,269,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,667.69 : 2,323,512.48 = 919,770.46 : x
  2. Step 2: Convert to fraction form
    1,683,667.69/2,323,512.48 = 919,770.46/x
  3. Step 3: Cross multiply
    1,683,667.69x = 2,323,512.48 × 919,770.46
  4. Step 4: Simplify right side
    1,683,667.69x = 2,137,098,142,545.34
  5. Step 5: Solve for x
    x = 2,137,098,142,545.34/1,683,667.69
  6. Step 6: Final answer
    x = 1,269,311.13

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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.