Home / 785,456.46-1,083,929.90-427,760.46

Finding the Fourth Proportional to 785,456.46, 1,083,929.90 and 427,760.46

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Solution

The fourth proportional to 785,456.46, 1,083,929.90 and 427,760.46 is: 590,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,456.46 : 1,083,929.90 = 427,760.46 : x
  2. Step 2: Convert to fraction form
    785,456.46/1,083,929.90 = 427,760.46/x
  3. Step 3: Cross multiply
    785,456.46x = 1,083,929.90 × 427,760.46
  4. Step 4: Simplify right side
    785,456.46x = 463,662,350,492.95
  5. Step 5: Solve for x
    x = 463,662,350,492.95/785,456.46
  6. Step 6: Final answer
    x = 590,309.42

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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.