Home / 936,644.81-1,405,459.58-664,845.03

Finding the Fourth Proportional to 936,644.81, 1,405,459.58 and 664,845.03

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Solution

The fourth proportional to 936,644.81, 1,405,459.58 and 664,845.03 is: 997,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,644.81 : 1,405,459.58 = 664,845.03 : x
  2. Step 2: Convert to fraction form
    936,644.81/1,405,459.58 = 664,845.03/x
  3. Step 3: Cross multiply
    936,644.81x = 1,405,459.58 × 664,845.03
  4. Step 4: Simplify right side
    936,644.81x = 934,412,813,304.66
  5. Step 5: Solve for x
    x = 934,412,813,304.66/936,644.81
  6. Step 6: Final answer
    x = 997,617.04

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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.