Home / 736,519.80-1,104,779.70-263,220.60

Finding the Fourth Proportional to 736,519.80, 1,104,779.70 and 263,220.60

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Solution

The fourth proportional to 736,519.80, 1,104,779.70 and 263,220.60 is: 394,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,519.80 : 1,104,779.70 = 263,220.60 : x
  2. Step 2: Convert to fraction form
    736,519.80/1,104,779.70 = 263,220.60/x
  3. Step 3: Cross multiply
    736,519.80x = 1,104,779.70 × 263,220.60
  4. Step 4: Simplify right side
    736,519.80x = 290,800,775,501.82
  5. Step 5: Solve for x
    x = 290,800,775,501.82/736,519.80
  6. Step 6: Final answer
    x = 394,830.90

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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.