Home / 633,100.50-949,650.75-189,868.50

Finding the Fourth Proportional to 633,100.50, 949,650.75 and 189,868.50

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Solution

The fourth proportional to 633,100.50, 949,650.75 and 189,868.50 is: 284,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,100.50 : 949,650.75 = 189,868.50 : x
  2. Step 2: Convert to fraction form
    633,100.50/949,650.75 = 189,868.50/x
  3. Step 3: Cross multiply
    633,100.50x = 949,650.75 × 189,868.50
  4. Step 4: Simplify right side
    633,100.50x = 180,308,763,426.38
  5. Step 5: Solve for x
    x = 180,308,763,426.38/633,100.50
  6. Step 6: Final answer
    x = 284,802.75

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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.