Home / 755,041.36-1,131,774.74-306,072.16

Finding the Fourth Proportional to 755,041.36, 1,131,774.74 and 306,072.16

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Solution

The fourth proportional to 755,041.36, 1,131,774.74 and 306,072.16 is: 458,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,041.36 : 1,131,774.74 = 306,072.16 : x
  2. Step 2: Convert to fraction form
    755,041.36/1,131,774.74 = 306,072.16/x
  3. Step 3: Cross multiply
    755,041.36x = 1,131,774.74 × 306,072.16
  4. Step 4: Simplify right side
    755,041.36x = 346,404,739,305.24
  5. Step 5: Solve for x
    x = 346,404,739,305.24/755,041.36
  6. Step 6: Final answer
    x = 458,789.09

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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.