Home / 1,025,180.40-1,537,770.60-394,114.80

Finding the Fourth Proportional to 1,025,180.40, 1,537,770.60 and 394,114.80

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Solution

The fourth proportional to 1,025,180.40, 1,537,770.60 and 394,114.80 is: 591,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,180.40 : 1,537,770.60 = 394,114.80 : x
  2. Step 2: Convert to fraction form
    1,025,180.40/1,537,770.60 = 394,114.80/x
  3. Step 3: Cross multiply
    1,025,180.40x = 1,537,770.60 × 394,114.80
  4. Step 4: Simplify right side
    1,025,180.40x = 606,058,152,464.88
  5. Step 5: Solve for x
    x = 606,058,152,464.88/1,025,180.40
  6. Step 6: Final answer
    x = 591,172.20

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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.