Home / 1,431,401.46-1,975,338.11-819,563.61

Finding the Fourth Proportional to 1,431,401.46, 1,975,338.11 and 819,563.61

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Solution

The fourth proportional to 1,431,401.46, 1,975,338.11 and 819,563.61 is: 1,131,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,401.46 : 1,975,338.11 = 819,563.61 : x
  2. Step 2: Convert to fraction form
    1,431,401.46/1,975,338.11 = 819,563.61/x
  3. Step 3: Cross multiply
    1,431,401.46x = 1,975,338.11 × 819,563.61
  4. Step 4: Simplify right side
    1,431,401.46x = 1,618,915,232,402.18
  5. Step 5: Solve for x
    x = 1,618,915,232,402.18/1,431,401.46
  6. Step 6: Final answer
    x = 1,131,000.13

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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.