Home / 626,415.34-864,455.44-339,935.36

Finding the Fourth Proportional to 626,415.34, 864,455.44 and 339,935.36

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Solution

The fourth proportional to 626,415.34, 864,455.44 and 339,935.36 is: 469,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,415.34 : 864,455.44 = 339,935.36 : x
  2. Step 2: Convert to fraction form
    626,415.34/864,455.44 = 339,935.36/x
  3. Step 3: Cross multiply
    626,415.34x = 864,455.44 × 339,935.36
  4. Step 4: Simplify right side
    626,415.34x = 293,858,971,200.36
  5. Step 5: Solve for x
    x = 293,858,971,200.36/626,415.34
  6. Step 6: Final answer
    x = 469,112.03

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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.