Home / 626,040.29-863,935.67-354,102.32

Finding the Fourth Proportional to 626,040.29, 863,935.67 and 354,102.32

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Solution

The fourth proportional to 626,040.29, 863,935.67 and 354,102.32 is: 488,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,040.29 : 863,935.67 = 354,102.32 : x
  2. Step 2: Convert to fraction form
    626,040.29/863,935.67 = 354,102.32/x
  3. Step 3: Cross multiply
    626,040.29x = 863,935.67 × 354,102.32
  4. Step 4: Simplify right side
    626,040.29x = 305,921,628,122.85
  5. Step 5: Solve for x
    x = 305,921,628,122.85/626,040.29
  6. Step 6: Final answer
    x = 488,661.24

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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.