Home / 775,534.44-1,069,515.18-503,311.32

Finding the Fourth Proportional to 775,534.44, 1,069,515.18 and 503,311.32

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Solution

The fourth proportional to 775,534.44, 1,069,515.18 and 503,311.32 is: 694,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,534.44 : 1,069,515.18 = 503,311.32 : x
  2. Step 2: Convert to fraction form
    775,534.44/1,069,515.18 = 503,311.32/x
  3. Step 3: Cross multiply
    775,534.44x = 1,069,515.18 × 503,311.32
  4. Step 4: Simplify right side
    775,534.44x = 538,299,097,005.84
  5. Step 5: Solve for x
    x = 538,299,097,005.84/775,534.44
  6. Step 6: Final answer
    x = 694,100.83

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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.