Home / 878,181.96-1,211,896.10-475,773.96

Finding the Fourth Proportional to 878,181.96, 1,211,896.10 and 475,773.96

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Solution

The fourth proportional to 878,181.96, 1,211,896.10 and 475,773.96 is: 656,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,181.96 : 1,211,896.10 = 475,773.96 : x
  2. Step 2: Convert to fraction form
    878,181.96/1,211,896.10 = 475,773.96/x
  3. Step 3: Cross multiply
    878,181.96x = 1,211,896.10 × 475,773.96
  4. Step 4: Simplify right side
    878,181.96x = 576,588,606,605.56
  5. Step 5: Solve for x
    x = 576,588,606,605.56/878,181.96
  6. Step 6: Final answer
    x = 656,570.77

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1.5x scale

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.