Home / 626,065.19-863,969.96-354,127.23

Finding the Fourth Proportional to 626,065.19, 863,969.96 and 354,127.23

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Solution

The fourth proportional to 626,065.19, 863,969.96 and 354,127.23 is: 488,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,065.19 : 863,969.96 = 354,127.23 : x
  2. Step 2: Convert to fraction form
    626,065.19/863,969.96 = 354,127.23/x
  3. Step 3: Cross multiply
    626,065.19x = 863,969.96 × 354,127.23
  4. Step 4: Simplify right side
    626,065.19x = 305,955,288,738.01
  5. Step 5: Solve for x
    x = 305,955,288,738.01/626,065.19
  6. Step 6: Final answer
    x = 488,695.58

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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.