Home / 630,664.40-945,996.60-187,432.40

Finding the Fourth Proportional to 630,664.40, 945,996.60 and 187,432.40

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Solution

The fourth proportional to 630,664.40, 945,996.60 and 187,432.40 is: 281,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,664.40 : 945,996.60 = 187,432.40 : x
  2. Step 2: Convert to fraction form
    630,664.40/945,996.60 = 187,432.40/x
  3. Step 3: Cross multiply
    630,664.40x = 945,996.60 × 187,432.40
  4. Step 4: Simplify right side
    630,664.40x = 177,310,413,129.84
  5. Step 5: Solve for x
    x = 177,310,413,129.84/630,664.40
  6. Step 6: Final answer
    x = 281,148.60

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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.