Home / 1,247,840.33-1,722,019.64-674,880.48

Finding the Fourth Proportional to 1,247,840.33, 1,722,019.64 and 674,880.48

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Solution

The fourth proportional to 1,247,840.33, 1,722,019.64 and 674,880.48 is: 931,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,840.33 : 1,722,019.64 = 674,880.48 : x
  2. Step 2: Convert to fraction form
    1,247,840.33/1,722,019.64 = 674,880.48/x
  3. Step 3: Cross multiply
    1,247,840.33x = 1,722,019.64 × 674,880.48
  4. Step 4: Simplify right side
    1,247,840.33x = 1,162,157,437,838.22
  5. Step 5: Solve for x
    x = 1,162,157,437,838.22/1,247,840.33
  6. Step 6: Final answer
    x = 931,335.06

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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.