Home / 862,336.50-1,181,406.38-830,013.86

Finding the Fourth Proportional to 862,336.50, 1,181,406.38 and 830,013.86

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Solution

The fourth proportional to 862,336.50, 1,181,406.38 and 830,013.86 is: 1,137,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,336.50 : 1,181,406.38 = 830,013.86 : x
  2. Step 2: Convert to fraction form
    862,336.50/1,181,406.38 = 830,013.86/x
  3. Step 3: Cross multiply
    862,336.50x = 1,181,406.38 × 830,013.86
  4. Step 4: Simplify right side
    862,336.50x = 980,583,669,692.43
  5. Step 5: Solve for x
    x = 980,583,669,692.43/862,336.50
  6. Step 6: Final answer
    x = 1,137,124.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.