Home / 881,005.60-1,321,508.40-526,711.60

Finding the Fourth Proportional to 881,005.60, 1,321,508.40 and 526,711.60

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Solution

The fourth proportional to 881,005.60, 1,321,508.40 and 526,711.60 is: 790,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,005.60 : 1,321,508.40 = 526,711.60 : x
  2. Step 2: Convert to fraction form
    881,005.60/1,321,508.40 = 526,711.60/x
  3. Step 3: Cross multiply
    881,005.60x = 1,321,508.40 × 526,711.60
  4. Step 4: Simplify right side
    881,005.60x = 696,053,803,777.44
  5. Step 5: Solve for x
    x = 696,053,803,777.44/881,005.60
  6. Step 6: Final answer
    x = 790,067.40

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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.