Home / 1,085,238.15-1,626,938.69-410,947.78

Finding the Fourth Proportional to 1,085,238.15, 1,626,938.69 and 410,947.78

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Solution

The fourth proportional to 1,085,238.15, 1,626,938.69 and 410,947.78 is: 616,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,238.15 : 1,626,938.69 = 410,947.78 : x
  2. Step 2: Convert to fraction form
    1,085,238.15/1,626,938.69 = 410,947.78/x
  3. Step 3: Cross multiply
    1,085,238.15x = 1,626,938.69 × 410,947.78
  4. Step 4: Simplify right side
    1,085,238.15x = 668,586,840,796.87
  5. Step 5: Solve for x
    x = 668,586,840,796.87/1,085,238.15
  6. Step 6: Final answer
    x = 616,073.85

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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.