Home / 842,477.80-1,261,092.30-816,233.80

Finding the Fourth Proportional to 842,477.80, 1,261,092.30 and 816,233.80

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Solution

The fourth proportional to 842,477.80, 1,261,092.30 and 816,233.80 is: 1,221,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,477.80 : 1,261,092.30 = 816,233.80 : x
  2. Step 2: Convert to fraction form
    842,477.80/1,261,092.30 = 816,233.80/x
  3. Step 3: Cross multiply
    842,477.80x = 1,261,092.30 × 816,233.80
  4. Step 4: Simplify right side
    842,477.80x = 1,029,346,160,179.74
  5. Step 5: Solve for x
    x = 1,029,346,160,179.74/842,477.80
  6. Step 6: Final answer
    x = 1,221,808.05

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1.5x scale

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.