Home / 1,419,077.79-1,958,334.30-774,513

Finding the Fourth Proportional to 1,419,077.79, 1,958,334.30 and 774,513

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Solution

The fourth proportional to 1,419,077.79, 1,958,334.30 and 774,513 is: 1,068,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,077.79 : 1,958,334.30 = 774,513 : x
  2. Step 2: Convert to fraction form
    1,419,077.79/1,958,334.30 = 774,513/x
  3. Step 3: Cross multiply
    1,419,077.79x = 1,958,334.30 × 774,513
  4. Step 4: Simplify right side
    1,419,077.79x = 1,516,755,373,695.90
  5. Step 5: Solve for x
    x = 1,516,755,373,695.90/1,419,077.79
  6. Step 6: Final answer
    x = 1,068,831.73

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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.