Home / 1,431,014.22-1,974,793.14-819,163.59

Finding the Fourth Proportional to 1,431,014.22, 1,974,793.14 and 819,163.59

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Solution

The fourth proportional to 1,431,014.22, 1,974,793.14 and 819,163.59 is: 1,130,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,014.22 : 1,974,793.14 = 819,163.59 : x
  2. Step 2: Convert to fraction form
    1,431,014.22/1,974,793.14 = 819,163.59/x
  3. Step 3: Cross multiply
    1,431,014.22x = 1,974,793.14 × 819,163.59
  4. Step 4: Simplify right side
    1,431,014.22x = 1,617,678,638,069.77
  5. Step 5: Solve for x
    x = 1,617,678,638,069.77/1,431,014.22
  6. Step 6: Final answer
    x = 1,130,442.04

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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.