Home / 805,602.43-1,111,759.90-443,054.33

Finding the Fourth Proportional to 805,602.43, 1,111,759.90 and 443,054.33

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Solution

The fourth proportional to 805,602.43, 1,111,759.90 and 443,054.33 is: 611,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,602.43 : 1,111,759.90 = 443,054.33 : x
  2. Step 2: Convert to fraction form
    805,602.43/1,111,759.90 = 443,054.33/x
  3. Step 3: Cross multiply
    805,602.43x = 1,111,759.90 × 443,054.33
  4. Step 4: Simplify right side
    805,602.43x = 492,570,033,728.33
  5. Step 5: Solve for x
    x = 492,570,033,728.33/805,602.43
  6. Step 6: Final answer
    x = 611,430.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.