Home / 626,034.51-863,923.37-339,554.88

Finding the Fourth Proportional to 626,034.51, 863,923.37 and 339,554.88

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Solution

The fourth proportional to 626,034.51, 863,923.37 and 339,554.88 is: 468,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,034.51 : 863,923.37 = 339,554.88 : x
  2. Step 2: Convert to fraction form
    626,034.51/863,923.37 = 339,554.88/x
  3. Step 3: Cross multiply
    626,034.51x = 863,923.37 × 339,554.88
  4. Step 4: Simplify right side
    626,034.51x = 293,349,394,531.77
  5. Step 5: Solve for x
    x = 293,349,394,531.77/626,034.51
  6. Step 6: Final answer
    x = 468,583.42

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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.