Home / 782,184.78-1,171,270.60-541,957.41

Finding the Fourth Proportional to 782,184.78, 1,171,270.60 and 541,957.41

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Solution

The fourth proportional to 782,184.78, 1,171,270.60 and 541,957.41 is: 811,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,184.78 : 1,171,270.60 = 541,957.41 : x
  2. Step 2: Convert to fraction form
    782,184.78/1,171,270.60 = 541,957.41/x
  3. Step 3: Cross multiply
    782,184.78x = 1,171,270.60 × 541,957.41
  4. Step 4: Simplify right side
    782,184.78x = 634,778,778,075.36
  5. Step 5: Solve for x
    x = 634,778,778,075.36/782,184.78
  6. Step 6: Final answer
    x = 811,545.81

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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.