Home / 1,415,156.78-1,952,914.92-770,581.46

Finding the Fourth Proportional to 1,415,156.78, 1,952,914.92 and 770,581.46

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Solution

The fourth proportional to 1,415,156.78, 1,952,914.92 and 770,581.46 is: 1,063,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,156.78 : 1,952,914.92 = 770,581.46 : x
  2. Step 2: Convert to fraction form
    1,415,156.78/1,952,914.92 = 770,581.46/x
  3. Step 3: Cross multiply
    1,415,156.78x = 1,952,914.92 × 770,581.46
  4. Step 4: Simplify right side
    1,415,156.78x = 1,504,880,030,309.38
  5. Step 5: Solve for x
    x = 1,504,880,030,309.38/1,415,156.78
  6. Step 6: Final answer
    x = 1,063,401.63

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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.