Home / 738,185.20-1,107,277.80-264,918.40

Finding the Fourth Proportional to 738,185.20, 1,107,277.80 and 264,918.40

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Solution

The fourth proportional to 738,185.20, 1,107,277.80 and 264,918.40 is: 397,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,185.20 : 1,107,277.80 = 264,918.40 : x
  2. Step 2: Convert to fraction form
    738,185.20/1,107,277.80 = 264,918.40/x
  3. Step 3: Cross multiply
    738,185.20x = 1,107,277.80 × 264,918.40
  4. Step 4: Simplify right side
    738,185.20x = 293,338,263,131.52
  5. Step 5: Solve for x
    x = 293,338,263,131.52/738,185.20
  6. Step 6: Final answer
    x = 397,377.60

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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.