Home / 881,008.60-1,321,512.90-526,714.60

Finding the Fourth Proportional to 881,008.60, 1,321,512.90 and 526,714.60

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Solution

The fourth proportional to 881,008.60, 1,321,512.90 and 526,714.60 is: 790,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,008.60 : 1,321,512.90 = 526,714.60 : x
  2. Step 2: Convert to fraction form
    881,008.60/1,321,512.90 = 526,714.60/x
  3. Step 3: Cross multiply
    881,008.60x = 1,321,512.90 × 526,714.60
  4. Step 4: Simplify right side
    881,008.60x = 696,060,138,518.34
  5. Step 5: Solve for x
    x = 696,060,138,518.34/881,008.60
  6. Step 6: Final answer
    x = 790,071.90

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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.