Home / 1,125,928.80-1,553,724.16-616,532.80

Finding the Fourth Proportional to 1,125,928.80, 1,553,724.16 and 616,532.80

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Solution

The fourth proportional to 1,125,928.80, 1,553,724.16 and 616,532.80 is: 850,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,928.80 : 1,553,724.16 = 616,532.80 : x
  2. Step 2: Convert to fraction form
    1,125,928.80/1,553,724.16 = 616,532.80/x
  3. Step 3: Cross multiply
    1,125,928.80x = 1,553,724.16 × 616,532.80
  4. Step 4: Simplify right side
    1,125,928.80x = 957,921,906,792.45
  5. Step 5: Solve for x
    x = 957,921,906,792.45/1,125,928.80
  6. Step 6: Final answer
    x = 850,783.73

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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.