Home / 1,768,172.10-2,653,640.55-821,660.10

Finding the Fourth Proportional to 1,768,172.10, 2,653,640.55 and 821,660.10

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Solution

The fourth proportional to 1,768,172.10, 2,653,640.55 and 821,660.10 is: 1,233,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,172.10 : 2,653,640.55 = 821,660.10 : x
  2. Step 2: Convert to fraction form
    1,768,172.10/2,653,640.55 = 821,660.10/x
  3. Step 3: Cross multiply
    1,768,172.10x = 2,653,640.55 × 821,660.10
  4. Step 4: Simplify right side
    1,768,172.10x = 2,180,390,559,677.05
  5. Step 5: Solve for x
    x = 2,180,390,559,677.05/1,768,172.10
  6. Step 6: Final answer
    x = 1,233,132.54

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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.