Home / 878,171.92-1,211,861.52-496,190.50

Finding the Fourth Proportional to 878,171.92, 1,211,861.52 and 496,190.50

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Solution

The fourth proportional to 878,171.92, 1,211,861.52 and 496,190.50 is: 684,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,171.92 : 1,211,861.52 = 496,190.50 : x
  2. Step 2: Convert to fraction form
    878,171.92/1,211,861.52 = 496,190.50/x
  3. Step 3: Cross multiply
    878,171.92x = 1,211,861.52 × 496,190.50
  4. Step 4: Simplify right side
    878,171.92x = 601,314,173,539.56
  5. Step 5: Solve for x
    x = 601,314,173,539.56/878,171.92
  6. Step 6: Final answer
    x = 684,734.00

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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.