Home / 626,080.47-863,984.93-339,596.43

Finding the Fourth Proportional to 626,080.47, 863,984.93 and 339,596.43

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Solution

The fourth proportional to 626,080.47, 863,984.93 and 339,596.43 is: 468,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,080.47 : 863,984.93 = 339,596.43 : x
  2. Step 2: Convert to fraction form
    626,080.47/863,984.93 = 339,596.43/x
  3. Step 3: Cross multiply
    626,080.47x = 863,984.93 × 339,596.43
  4. Step 4: Simplify right side
    626,080.47x = 293,406,196,103.82
  5. Step 5: Solve for x
    x = 293,406,196,103.82/626,080.47
  6. Step 6: Final answer
    x = 468,639.75

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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.