Home / 751,348.08-1,036,858.20-411,815.28

Finding the Fourth Proportional to 751,348.08, 1,036,858.20 and 411,815.28

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Solution

The fourth proportional to 751,348.08, 1,036,858.20 and 411,815.28 is: 568,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,348.08 : 1,036,858.20 = 411,815.28 : x
  2. Step 2: Convert to fraction form
    751,348.08/1,036,858.20 = 411,815.28/x
  3. Step 3: Cross multiply
    751,348.08x = 1,036,858.20 × 411,815.28
  4. Step 4: Simplify right side
    751,348.08x = 426,994,049,953.30
  5. Step 5: Solve for x
    x = 426,994,049,953.30/751,348.08
  6. Step 6: Final answer
    x = 568,303.91

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.