Home / 759,361.44-1,047,931.92-419,831.04

Finding the Fourth Proportional to 759,361.44, 1,047,931.92 and 419,831.04

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Solution

The fourth proportional to 759,361.44, 1,047,931.92 and 419,831.04 is: 579,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,361.44 : 1,047,931.92 = 419,831.04 : x
  2. Step 2: Convert to fraction form
    759,361.44/1,047,931.92 = 419,831.04/x
  3. Step 3: Cross multiply
    759,361.44x = 1,047,931.92 × 419,831.04
  4. Step 4: Simplify right side
    759,361.44x = 439,954,347,822.80
  5. Step 5: Solve for x
    x = 439,954,347,822.80/759,361.44
  6. Step 6: Final answer
    x = 579,374.10

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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.