Home / 881,010.60-1,321,515.90-526,716.60

Finding the Fourth Proportional to 881,010.60, 1,321,515.90 and 526,716.60

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Solution

The fourth proportional to 881,010.60, 1,321,515.90 and 526,716.60 is: 790,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,010.60 : 1,321,515.90 = 526,716.60 : x
  2. Step 2: Convert to fraction form
    881,010.60/1,321,515.90 = 526,716.60/x
  3. Step 3: Cross multiply
    881,010.60x = 1,321,515.90 × 526,716.60
  4. Step 4: Simplify right side
    881,010.60x = 696,064,361,693.94
  5. Step 5: Solve for x
    x = 696,064,361,693.94/881,010.60
  6. Step 6: Final answer
    x = 790,074.90

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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.