Home / 415,645.44-623,445.75-162,971.34

Finding the Fourth Proportional to 415,645.44, 623,445.75 and 162,971.34

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Solution

The fourth proportional to 415,645.44, 623,445.75 and 162,971.34 is: 244,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,645.44 : 623,445.75 = 162,971.34 : x
  2. Step 2: Convert to fraction form
    415,645.44/623,445.75 = 162,971.34/x
  3. Step 3: Cross multiply
    415,645.44x = 623,445.75 × 162,971.34
  4. Step 4: Simplify right side
    415,645.44x = 101,603,789,294.81
  5. Step 5: Solve for x
    x = 101,603,789,294.81/415,645.44
  6. Step 6: Final answer
    x = 244,448.22

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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.