Home / 886,051.80-1,329,077.70-550,128.60

Finding the Fourth Proportional to 886,051.80, 1,329,077.70 and 550,128.60

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Solution

The fourth proportional to 886,051.80, 1,329,077.70 and 550,128.60 is: 825,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,051.80 : 1,329,077.70 = 550,128.60 : x
  2. Step 2: Convert to fraction form
    886,051.80/1,329,077.70 = 550,128.60/x
  3. Step 3: Cross multiply
    886,051.80x = 1,329,077.70 × 550,128.60
  4. Step 4: Simplify right side
    886,051.80x = 731,163,654,392.22
  5. Step 5: Solve for x
    x = 731,163,654,392.22/886,051.80
  6. Step 6: Final answer
    x = 825,192.90

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Double scale
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Similar ratio
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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.