Home / 1,395,880.57-1,925,824.62-912,728.53

Finding the Fourth Proportional to 1,395,880.57, 1,925,824.62 and 912,728.53

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Solution

The fourth proportional to 1,395,880.57, 1,925,824.62 and 912,728.53 is: 1,259,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,880.57 : 1,925,824.62 = 912,728.53 : x
  2. Step 2: Convert to fraction form
    1,395,880.57/1,925,824.62 = 912,728.53/x
  3. Step 3: Cross multiply
    1,395,880.57x = 1,925,824.62 × 912,728.53
  4. Step 4: Simplify right side
    1,395,880.57x = 1,757,755,074,450.41
  5. Step 5: Solve for x
    x = 1,757,755,074,450.41/1,395,880.57
  6. Step 6: Final answer
    x = 1,259,244.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.