Home / 1,807,434.78-2,494,285.44-991,623.63

Finding the Fourth Proportional to 1,807,434.78, 2,494,285.44 and 991,623.63

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Solution

The fourth proportional to 1,807,434.78, 2,494,285.44 and 991,623.63 is: 1,368,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,434.78 : 2,494,285.44 = 991,623.63 : x
  2. Step 2: Convert to fraction form
    1,807,434.78/2,494,285.44 = 991,623.63/x
  3. Step 3: Cross multiply
    1,807,434.78x = 2,494,285.44 × 991,623.63
  4. Step 4: Simplify right side
    1,807,434.78x = 2,473,392,382,268.95
  5. Step 5: Solve for x
    x = 2,473,392,382,268.95/1,807,434.78
  6. Step 6: Final answer
    x = 1,368,454.57

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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.