Home / 851,092.02-1,275,043.95-763,456.50

Finding the Fourth Proportional to 851,092.02, 1,275,043.95 and 763,456.50

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Solution

The fourth proportional to 851,092.02, 1,275,043.95 and 763,456.50 is: 1,143,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,092.02 : 1,275,043.95 = 763,456.50 : x
  2. Step 2: Convert to fraction form
    851,092.02/1,275,043.95 = 763,456.50/x
  3. Step 3: Cross multiply
    851,092.02x = 1,275,043.95 × 763,456.50
  4. Step 4: Simplify right side
    851,092.02x = 973,440,591,413.18
  5. Step 5: Solve for x
    x = 973,440,591,413.18/851,092.02
  6. Step 6: Final answer
    x = 1,143,754.81

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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.