Home / 714,580.82-1,070,469.90-414,430.86

Finding the Fourth Proportional to 714,580.82, 1,070,469.90 and 414,430.86

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Solution

The fourth proportional to 714,580.82, 1,070,469.90 and 414,430.86 is: 620,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,580.82 : 1,070,469.90 = 414,430.86 : x
  2. Step 2: Convert to fraction form
    714,580.82/1,070,469.90 = 414,430.86/x
  3. Step 3: Cross multiply
    714,580.82x = 1,070,469.90 × 414,430.86
  4. Step 4: Simplify right side
    714,580.82x = 443,635,761,261.11
  5. Step 5: Solve for x
    x = 443,635,761,261.11/714,580.82
  6. Step 6: Final answer
    x = 620,833.57

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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.