Home / 403,824.30-605,736.45-277,853.10

Finding the Fourth Proportional to 403,824.30, 605,736.45 and 277,853.10

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Solution

The fourth proportional to 403,824.30, 605,736.45 and 277,853.10 is: 416,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.30 : 605,736.45 = 277,853.10 : x
  2. Step 2: Convert to fraction form
    403,824.30/605,736.45 = 277,853.10/x
  3. Step 3: Cross multiply
    403,824.30x = 605,736.45 × 277,853.10
  4. Step 4: Simplify right side
    403,824.30x = 168,305,750,415.50
  5. Step 5: Solve for x
    x = 168,305,750,415.50/403,824.30
  6. Step 6: Final answer
    x = 416,779.65

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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.