Home / 982,993.16-1,355,831.77-656,141.37

Finding the Fourth Proportional to 982,993.16, 1,355,831.77 and 656,141.37

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Solution

The fourth proportional to 982,993.16, 1,355,831.77 and 656,141.37 is: 905,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,993.16 : 1,355,831.77 = 656,141.37 : x
  2. Step 2: Convert to fraction form
    982,993.16/1,355,831.77 = 656,141.37/x
  3. Step 3: Cross multiply
    982,993.16x = 1,355,831.77 × 656,141.37
  4. Step 4: Simplify right side
    982,993.16x = 889,617,311,776.62
  5. Step 5: Solve for x
    x = 889,617,311,776.62/982,993.16
  6. Step 6: Final answer
    x = 905,008.65

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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.