Home / 1,372,558.77-1,893,677.13-828,487.85

Finding the Fourth Proportional to 1,372,558.77, 1,893,677.13 and 828,487.85

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Solution

The fourth proportional to 1,372,558.77, 1,893,677.13 and 828,487.85 is: 1,143,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,558.77 : 1,893,677.13 = 828,487.85 : x
  2. Step 2: Convert to fraction form
    1,372,558.77/1,893,677.13 = 828,487.85/x
  3. Step 3: Cross multiply
    1,372,558.77x = 1,893,677.13 × 828,487.85
  4. Step 4: Simplify right side
    1,372,558.77x = 1,568,888,484,559.48
  5. Step 5: Solve for x
    x = 1,568,888,484,559.48/1,372,558.77
  6. Step 6: Final answer
    x = 1,143,039.20

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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.