Home / 860,884.76-1,189,472.46-618,685.43

Finding the Fourth Proportional to 860,884.76, 1,189,472.46 and 618,685.43

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Solution

The fourth proportional to 860,884.76, 1,189,472.46 and 618,685.43 is: 854,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,884.76 : 1,189,472.46 = 618,685.43 : x
  2. Step 2: Convert to fraction form
    860,884.76/1,189,472.46 = 618,685.43/x
  3. Step 3: Cross multiply
    860,884.76x = 1,189,472.46 × 618,685.43
  4. Step 4: Simplify right side
    860,884.76x = 735,909,280,388.26
  5. Step 5: Solve for x
    x = 735,909,280,388.26/860,884.76
  6. Step 6: Final answer
    x = 854,829.03

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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.