Home / 881,012.60-1,321,518.90-526,718.60

Finding the Fourth Proportional to 881,012.60, 1,321,518.90 and 526,718.60

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Solution

The fourth proportional to 881,012.60, 1,321,518.90 and 526,718.60 is: 790,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,012.60 : 1,321,518.90 = 526,718.60 : x
  2. Step 2: Convert to fraction form
    881,012.60/1,321,518.90 = 526,718.60/x
  3. Step 3: Cross multiply
    881,012.60x = 1,321,518.90 × 526,718.60
  4. Step 4: Simplify right side
    881,012.60x = 696,068,584,881.54
  5. Step 5: Solve for x
    x = 696,068,584,881.54/881,012.60
  6. Step 6: Final answer
    x = 790,077.90

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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.