Home / 1,303,724.40-1,799,107.56-722,944.32

Finding the Fourth Proportional to 1,303,724.40, 1,799,107.56 and 722,944.32

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Solution

The fourth proportional to 1,303,724.40, 1,799,107.56 and 722,944.32 is: 997,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,724.40 : 1,799,107.56 = 722,944.32 : x
  2. Step 2: Convert to fraction form
    1,303,724.40/1,799,107.56 = 722,944.32/x
  3. Step 3: Cross multiply
    1,303,724.40x = 1,799,107.56 × 722,944.32
  4. Step 4: Simplify right side
    1,303,724.40x = 1,300,654,591,571.06
  5. Step 5: Solve for x
    x = 1,300,654,591,571.06/1,303,724.40
  6. Step 6: Final answer
    x = 997,645.35

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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.