Home / 834,619.84-1,151,669.76-495,021.76

Finding the Fourth Proportional to 834,619.84, 1,151,669.76 and 495,021.76

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Solution

The fourth proportional to 834,619.84, 1,151,669.76 and 495,021.76 is: 683,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,619.84 : 1,151,669.76 = 495,021.76 : x
  2. Step 2: Convert to fraction form
    834,619.84/1,151,669.76 = 495,021.76/x
  3. Step 3: Cross multiply
    834,619.84x = 1,151,669.76 × 495,021.76
  4. Step 4: Simplify right side
    834,619.84x = 570,101,591,533.98
  5. Step 5: Solve for x
    x = 570,101,591,533.98/834,619.84
  6. Step 6: Final answer
    x = 683,067.38

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1.5x scale

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.