Home / 936,418.80-1,404,628.20-404,977.80

Finding the Fourth Proportional to 936,418.80, 1,404,628.20 and 404,977.80

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Solution

The fourth proportional to 936,418.80, 1,404,628.20 and 404,977.80 is: 607,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,418.80 : 1,404,628.20 = 404,977.80 : x
  2. Step 2: Convert to fraction form
    936,418.80/1,404,628.20 = 404,977.80/x
  3. Step 3: Cross multiply
    936,418.80x = 1,404,628.20 × 404,977.80
  4. Step 4: Simplify right side
    936,418.80x = 568,843,238,253.96
  5. Step 5: Solve for x
    x = 568,843,238,253.96/936,418.80
  6. Step 6: Final answer
    x = 607,466.70

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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.