Home / 1,326,255.38-1,830,232.44-722,643.38

Finding the Fourth Proportional to 1,326,255.38, 1,830,232.44 and 722,643.38

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Solution

The fourth proportional to 1,326,255.38, 1,830,232.44 and 722,643.38 is: 997,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,255.38 : 1,830,232.44 = 722,643.38 : x
  2. Step 2: Convert to fraction form
    1,326,255.38/1,830,232.44 = 722,643.38/x
  3. Step 3: Cross multiply
    1,326,255.38x = 1,830,232.44 × 722,643.38
  4. Step 4: Simplify right side
    1,326,255.38x = 1,322,605,343,862.87
  5. Step 5: Solve for x
    x = 1,322,605,343,862.87/1,326,255.38
  6. Step 6: Final answer
    x = 997,247.87

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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.