Home / 626,568.45-938,588.59-289,140.36

Finding the Fourth Proportional to 626,568.45, 938,588.59 and 289,140.36

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Solution

The fourth proportional to 626,568.45, 938,588.59 and 289,140.36 is: 433,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,568.45 : 938,588.59 = 289,140.36 : x
  2. Step 2: Convert to fraction form
    626,568.45/938,588.59 = 289,140.36/x
  3. Step 3: Cross multiply
    626,568.45x = 938,588.59 × 289,140.36
  4. Step 4: Simplify right side
    626,568.45x = 271,383,842,804.49
  5. Step 5: Solve for x
    x = 271,383,842,804.49/626,568.45
  6. Step 6: Final answer
    x = 433,127.21

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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.