Home / 691,449.37-1,036,934.19-242,160.32

Finding the Fourth Proportional to 691,449.37, 1,036,934.19 and 242,160.32

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Solution

The fourth proportional to 691,449.37, 1,036,934.19 and 242,160.32 is: 363,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,449.37 : 1,036,934.19 = 242,160.32 : x
  2. Step 2: Convert to fraction form
    691,449.37/1,036,934.19 = 242,160.32/x
  3. Step 3: Cross multiply
    691,449.37x = 1,036,934.19 × 242,160.32
  4. Step 4: Simplify right side
    691,449.37x = 251,104,317,861.68
  5. Step 5: Solve for x
    x = 251,104,317,861.68/691,449.37
  6. Step 6: Final answer
    x = 363,156.48

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Double scale
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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.