Home / 1,105,683.95-1,525,591.38-622,072.64

Finding the Fourth Proportional to 1,105,683.95, 1,525,591.38 and 622,072.64

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Solution

The fourth proportional to 1,105,683.95, 1,525,591.38 and 622,072.64 is: 858,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,683.95 : 1,525,591.38 = 622,072.64 : x
  2. Step 2: Convert to fraction form
    1,105,683.95/1,525,591.38 = 622,072.64/x
  3. Step 3: Cross multiply
    1,105,683.95x = 1,525,591.38 × 622,072.64
  4. Step 4: Simplify right side
    1,105,683.95x = 949,028,649,689.89
  5. Step 5: Solve for x
    x = 949,028,649,689.89/1,105,683.95
  6. Step 6: Final answer
    x = 858,318.20

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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.