Home / 878,219.52-1,211,927.22-496,238.12

Finding the Fourth Proportional to 878,219.52, 1,211,927.22 and 496,238.12

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Solution

The fourth proportional to 878,219.52, 1,211,927.22 and 496,238.12 is: 684,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,219.52 : 1,211,927.22 = 496,238.12 : x
  2. Step 2: Convert to fraction form
    878,219.52/1,211,927.22 = 496,238.12/x
  3. Step 3: Cross multiply
    878,219.52x = 1,211,927.22 × 496,238.12
  4. Step 4: Simplify right side
    878,219.52x = 601,404,485,229.63
  5. Step 5: Solve for x
    x = 601,404,485,229.63/878,219.52
  6. Step 6: Final answer
    x = 684,799.72

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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.