Home / 626,385.61-939,272.23-436,936.73

Finding the Fourth Proportional to 626,385.61, 939,272.23 and 436,936.73

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Solution

The fourth proportional to 626,385.61, 939,272.23 and 436,936.73 is: 655,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,385.61 : 939,272.23 = 436,936.73 : x
  2. Step 2: Convert to fraction form
    626,385.61/939,272.23 = 436,936.73/x
  3. Step 3: Cross multiply
    626,385.61x = 939,272.23 × 436,936.73
  4. Step 4: Simplify right side
    626,385.61x = 410,402,539,104.19
  5. Step 5: Solve for x
    x = 410,402,539,104.19/626,385.61
  6. Step 6: Final answer
    x = 655,191.52

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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.