Home / 1,205,803.67-1,806,340.70-699,300.54

Finding the Fourth Proportional to 1,205,803.67, 1,806,340.70 and 699,300.54

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Solution

The fourth proportional to 1,205,803.67, 1,806,340.70 and 699,300.54 is: 1,047,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,803.67 : 1,806,340.70 = 699,300.54 : x
  2. Step 2: Convert to fraction form
    1,205,803.67/1,806,340.70 = 699,300.54/x
  3. Step 3: Cross multiply
    1,205,803.67x = 1,806,340.70 × 699,300.54
  4. Step 4: Simplify right side
    1,205,803.67x = 1,263,175,028,682.23
  5. Step 5: Solve for x
    x = 1,263,175,028,682.23/1,205,803.67
  6. Step 6: Final answer
    x = 1,047,579.36

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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.