Home / 626,634.51-939,905.26-200,153.10

Finding the Fourth Proportional to 626,634.51, 939,905.26 and 200,153.10

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Solution

The fourth proportional to 626,634.51, 939,905.26 and 200,153.10 is: 300,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,634.51 : 939,905.26 = 200,153.10 : x
  2. Step 2: Convert to fraction form
    626,634.51/939,905.26 = 200,153.10/x
  3. Step 3: Cross multiply
    626,634.51x = 939,905.26 × 200,153.10
  4. Step 4: Simplify right side
    626,634.51x = 188,124,951,495.31
  5. Step 5: Solve for x
    x = 188,124,951,495.31/626,634.51
  6. Step 6: Final answer
    x = 300,214.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.