Home / 686,936.30-946,876.70-541,504.91

Finding the Fourth Proportional to 686,936.30, 946,876.70 and 541,504.91

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Solution

The fourth proportional to 686,936.30, 946,876.70 and 541,504.91 is: 746,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,936.30 : 946,876.70 = 541,504.91 : x
  2. Step 2: Convert to fraction form
    686,936.30/946,876.70 = 541,504.91/x
  3. Step 3: Cross multiply
    686,936.30x = 946,876.70 × 541,504.91
  4. Step 4: Simplify right side
    686,936.30x = 512,738,385,935.55
  5. Step 5: Solve for x
    x = 512,738,385,935.55/686,936.30
  6. Step 6: Final answer
    x = 746,413.30

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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.