Home / 921,557.37-1,382,585.13-281,883.57

Finding the Fourth Proportional to 921,557.37, 1,382,585.13 and 281,883.57

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Solution

The fourth proportional to 921,557.37, 1,382,585.13 and 281,883.57 is: 422,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,557.37 : 1,382,585.13 = 281,883.57 : x
  2. Step 2: Convert to fraction form
    921,557.37/1,382,585.13 = 281,883.57/x
  3. Step 3: Cross multiply
    921,557.37x = 1,382,585.13 × 281,883.57
  4. Step 4: Simplify right side
    921,557.37x = 389,728,032,273.31
  5. Step 5: Solve for x
    x = 389,728,032,273.31/921,557.37
  6. Step 6: Final answer
    x = 422,901.54

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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.