Home / 783,208.80-1,174,813.20-192,232.80

Finding the Fourth Proportional to 783,208.80, 1,174,813.20 and 192,232.80

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Solution

The fourth proportional to 783,208.80, 1,174,813.20 and 192,232.80 is: 288,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,208.80 : 1,174,813.20 = 192,232.80 : x
  2. Step 2: Convert to fraction form
    783,208.80/1,174,813.20 = 192,232.80/x
  3. Step 3: Cross multiply
    783,208.80x = 1,174,813.20 × 192,232.80
  4. Step 4: Simplify right side
    783,208.80x = 225,837,630,912.96
  5. Step 5: Solve for x
    x = 225,837,630,912.96/783,208.80
  6. Step 6: Final answer
    x = 288,349.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.