Home / 626,563.95-938,581.84-289,135.83

Finding the Fourth Proportional to 626,563.95, 938,581.84 and 289,135.83

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Solution

The fourth proportional to 626,563.95, 938,581.84 and 289,135.83 is: 433,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,563.95 : 938,581.84 = 289,135.83 : x
  2. Step 2: Convert to fraction form
    626,563.95/938,581.84 = 289,135.83/x
  3. Step 3: Cross multiply
    626,563.95x = 938,581.84 × 289,135.83
  4. Step 4: Simplify right side
    626,563.95x = 271,377,639,331.33
  5. Step 5: Solve for x
    x = 271,377,639,331.33/626,563.95
  6. Step 6: Final answer
    x = 433,120.42

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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.