Home / 827,999.30-1,241,998.95-775,511.30

Finding the Fourth Proportional to 827,999.30, 1,241,998.95 and 775,511.30

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Solution

The fourth proportional to 827,999.30, 1,241,998.95 and 775,511.30 is: 1,163,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,999.30 : 1,241,998.95 = 775,511.30 : x
  2. Step 2: Convert to fraction form
    827,999.30/1,241,998.95 = 775,511.30/x
  3. Step 3: Cross multiply
    827,999.30x = 1,241,998.95 × 775,511.30
  4. Step 4: Simplify right side
    827,999.30x = 963,184,220,313.14
  5. Step 5: Solve for x
    x = 963,184,220,313.14/827,999.30
  6. Step 6: Final answer
    x = 1,163,266.95

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Double scale
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Similar ratio
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1.5x scale

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.