Home / 697,480.80-1,043,456.40-605,013.60

Finding the Fourth Proportional to 697,480.80, 1,043,456.40 and 605,013.60

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Solution

The fourth proportional to 697,480.80, 1,043,456.40 and 605,013.60 is: 905,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,480.80 : 1,043,456.40 = 605,013.60 : x
  2. Step 2: Convert to fraction form
    697,480.80/1,043,456.40 = 605,013.60/x
  3. Step 3: Cross multiply
    697,480.80x = 1,043,456.40 × 605,013.60
  4. Step 4: Simplify right side
    697,480.80x = 631,305,313,007.04
  5. Step 5: Solve for x
    x = 631,305,313,007.04/697,480.80
  6. Step 6: Final answer
    x = 905,122.14

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1.5x scale

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.