Home / 1,263,370.84-1,743,452.57-690,411.06

Finding the Fourth Proportional to 1,263,370.84, 1,743,452.57 and 690,411.06

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Solution

The fourth proportional to 1,263,370.84, 1,743,452.57 and 690,411.06 is: 952,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,370.84 : 1,743,452.57 = 690,411.06 : x
  2. Step 2: Convert to fraction form
    1,263,370.84/1,743,452.57 = 690,411.06/x
  3. Step 3: Cross multiply
    1,263,370.84x = 1,743,452.57 × 690,411.06
  4. Step 4: Simplify right side
    1,263,370.84x = 1,203,698,938,639.45
  5. Step 5: Solve for x
    x = 1,203,698,938,639.45/1,263,370.84
  6. Step 6: Final answer
    x = 952,767.71

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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.