Home / 856,511.80-1,284,767.70-823,852.60

Finding the Fourth Proportional to 856,511.80, 1,284,767.70 and 823,852.60

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Solution

The fourth proportional to 856,511.80, 1,284,767.70 and 823,852.60 is: 1,235,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,511.80 : 1,284,767.70 = 823,852.60 : x
  2. Step 2: Convert to fraction form
    856,511.80/1,284,767.70 = 823,852.60/x
  3. Step 3: Cross multiply
    856,511.80x = 1,284,767.70 × 823,852.60
  4. Step 4: Simplify right side
    856,511.80x = 1,058,459,210,041.02
  5. Step 5: Solve for x
    x = 1,058,459,210,041.02/856,511.80
  6. Step 6: Final answer
    x = 1,235,778.90

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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.