Home / 1,081,889.40-1,622,360.66-513,433.42

Finding the Fourth Proportional to 1,081,889.40, 1,622,360.66 and 513,433.42

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Solution

The fourth proportional to 1,081,889.40, 1,622,360.66 and 513,433.42 is: 769,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,889.40 : 1,622,360.66 = 513,433.42 : x
  2. Step 2: Convert to fraction form
    1,081,889.40/1,622,360.66 = 513,433.42/x
  3. Step 3: Cross multiply
    1,081,889.40x = 1,622,360.66 × 513,433.42
  4. Step 4: Simplify right side
    1,081,889.40x = 832,974,182,137.26
  5. Step 5: Solve for x
    x = 832,974,182,137.26/1,081,889.40
  6. Step 6: Final answer
    x = 769,925.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.