Home / 626,166.46-939,385.77-205,426.54

Finding the Fourth Proportional to 626,166.46, 939,385.77 and 205,426.54

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Solution

The fourth proportional to 626,166.46, 939,385.77 and 205,426.54 is: 308,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,166.46 : 939,385.77 = 205,426.54 : x
  2. Step 2: Convert to fraction form
    626,166.46/939,385.77 = 205,426.54/x
  3. Step 3: Cross multiply
    626,166.46x = 939,385.77 × 205,426.54
  4. Step 4: Simplify right side
    626,166.46x = 192,974,768,456.34
  5. Step 5: Solve for x
    x = 192,974,768,456.34/626,166.46
  6. Step 6: Final answer
    x = 308,184.45

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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.