Home / 626,072.22-863,973.54-339,588.18

Finding the Fourth Proportional to 626,072.22, 863,973.54 and 339,588.18

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Solution

The fourth proportional to 626,072.22, 863,973.54 and 339,588.18 is: 468,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,072.22 : 863,973.54 = 339,588.18 : x
  2. Step 2: Convert to fraction form
    626,072.22/863,973.54 = 339,588.18/x
  3. Step 3: Cross multiply
    626,072.22x = 863,973.54 × 339,588.18
  4. Step 4: Simplify right side
    626,072.22x = 293,395,202,016.76
  5. Step 5: Solve for x
    x = 293,395,202,016.76/626,072.22
  6. Step 6: Final answer
    x = 468,628.37

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Double scale
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1.5x scale

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.