Home / 1,223,639.56-1,836,579.94-625,020.40

Finding the Fourth Proportional to 1,223,639.56, 1,836,579.94 and 625,020.40

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Solution

The fourth proportional to 1,223,639.56, 1,836,579.94 and 625,020.40 is: 938,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,639.56 : 1,836,579.94 = 625,020.40 : x
  2. Step 2: Convert to fraction form
    1,223,639.56/1,836,579.94 = 625,020.40/x
  3. Step 3: Cross multiply
    1,223,639.56x = 1,836,579.94 × 625,020.40
  4. Step 4: Simplify right side
    1,223,639.56x = 1,147,899,928,730.78
  5. Step 5: Solve for x
    x = 1,147,899,928,730.78/1,223,639.56
  6. Step 6: Final answer
    x = 938,102.99

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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.