Home / 881,013.10-1,321,519.65-526,719.10

Finding the Fourth Proportional to 881,013.10, 1,321,519.65 and 526,719.10

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Solution

The fourth proportional to 881,013.10, 1,321,519.65 and 526,719.10 is: 790,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,013.10 : 1,321,519.65 = 526,719.10 : x
  2. Step 2: Convert to fraction form
    881,013.10/1,321,519.65 = 526,719.10/x
  3. Step 3: Cross multiply
    881,013.10x = 1,321,519.65 × 526,719.10
  4. Step 4: Simplify right side
    881,013.10x = 696,069,640,680.32
  5. Step 5: Solve for x
    x = 696,069,640,680.32/881,013.10
  6. Step 6: Final answer
    x = 790,078.65

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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.