Home / 626,285.88-938,914.26-289,254.84

Finding the Fourth Proportional to 626,285.88, 938,914.26 and 289,254.84

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Solution

The fourth proportional to 626,285.88, 938,914.26 and 289,254.84 is: 433,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,285.88 : 938,914.26 = 289,254.84 : x
  2. Step 2: Convert to fraction form
    626,285.88/938,914.26 = 289,254.84/x
  3. Step 3: Cross multiply
    626,285.88x = 938,914.26 × 289,254.84
  4. Step 4: Simplify right side
    626,285.88x = 271,585,494,050.02
  5. Step 5: Solve for x
    x = 271,585,494,050.02/626,285.88
  6. Step 6: Final answer
    x = 433,644.61

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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.