Home / 1,629,756.28-2,447,033.55-911,505.16

Finding the Fourth Proportional to 1,629,756.28, 2,447,033.55 and 911,505.16

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Solution

The fourth proportional to 1,629,756.28, 2,447,033.55 and 911,505.16 is: 1,368,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,756.28 : 2,447,033.55 = 911,505.16 : x
  2. Step 2: Convert to fraction form
    1,629,756.28/2,447,033.55 = 911,505.16/x
  3. Step 3: Cross multiply
    1,629,756.28x = 2,447,033.55 × 911,505.16
  4. Step 4: Simplify right side
    1,629,756.28x = 2,230,483,707,518.12
  5. Step 5: Solve for x
    x = 2,230,483,707,518.12/1,629,756.28
  6. Step 6: Final answer
    x = 1,368,599.55

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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.