Home / 775,531.44-1,069,511.04-503,308.32

Finding the Fourth Proportional to 775,531.44, 1,069,511.04 and 503,308.32

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Solution

The fourth proportional to 775,531.44, 1,069,511.04 and 503,308.32 is: 694,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,531.44 : 1,069,511.04 = 503,308.32 : x
  2. Step 2: Convert to fraction form
    775,531.44/1,069,511.04 = 503,308.32/x
  3. Step 3: Cross multiply
    775,531.44x = 1,069,511.04 × 503,308.32
  4. Step 4: Simplify right side
    775,531.44x = 538,293,804,763.85
  5. Step 5: Solve for x
    x = 538,293,804,763.85/775,531.44
  6. Step 6: Final answer
    x = 694,096.69

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Double scale
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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.