Home / 1,419,661.64-2,129,831.40-473,040.56

Finding the Fourth Proportional to 1,419,661.64, 2,129,831.40 and 473,040.56

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Solution

The fourth proportional to 1,419,661.64, 2,129,831.40 and 473,040.56 is: 709,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,661.64 : 2,129,831.40 = 473,040.56 : x
  2. Step 2: Convert to fraction form
    1,419,661.64/2,129,831.40 = 473,040.56/x
  3. Step 3: Cross multiply
    1,419,661.64x = 2,129,831.40 × 473,040.56
  4. Step 4: Simplify right side
    1,419,661.64x = 1,007,496,638,161.58
  5. Step 5: Solve for x
    x = 1,007,496,638,161.58/1,419,661.64
  6. Step 6: Final answer
    x = 709,673.78

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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.