Home / 1,025,109.40-1,537,664.10-394,043.80

Finding the Fourth Proportional to 1,025,109.40, 1,537,664.10 and 394,043.80

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Solution

The fourth proportional to 1,025,109.40, 1,537,664.10 and 394,043.80 is: 591,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,109.40 : 1,537,664.10 = 394,043.80 : x
  2. Step 2: Convert to fraction form
    1,025,109.40/1,537,664.10 = 394,043.80/x
  3. Step 3: Cross multiply
    1,025,109.40x = 1,537,664.10 × 394,043.80
  4. Step 4: Simplify right side
    1,025,109.40x = 605,907,005,087.58
  5. Step 5: Solve for x
    x = 605,907,005,087.58/1,025,109.40
  6. Step 6: Final answer
    x = 591,065.70

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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.