Home / 770,583.76-1,063,485.60-443,908.04

Finding the Fourth Proportional to 770,583.76, 1,063,485.60 and 443,908.04

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Solution

The fourth proportional to 770,583.76, 1,063,485.60 and 443,908.04 is: 612,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,583.76 : 1,063,485.60 = 443,908.04 : x
  2. Step 2: Convert to fraction form
    770,583.76/1,063,485.60 = 443,908.04/x
  3. Step 3: Cross multiply
    770,583.76x = 1,063,485.60 × 443,908.04
  4. Step 4: Simplify right side
    770,583.76x = 472,089,808,264.22
  5. Step 5: Solve for x
    x = 472,089,808,264.22/770,583.76
  6. Step 6: Final answer
    x = 612,639.19

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