Home / 864,198.90-1,296,298.35-654,246.90

Finding the Fourth Proportional to 864,198.90, 1,296,298.35 and 654,246.90

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Solution

The fourth proportional to 864,198.90, 1,296,298.35 and 654,246.90 is: 981,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,198.90 : 1,296,298.35 = 654,246.90 : x
  2. Step 2: Convert to fraction form
    864,198.90/1,296,298.35 = 654,246.90/x
  3. Step 3: Cross multiply
    864,198.90x = 1,296,298.35 × 654,246.90
  4. Step 4: Simplify right side
    864,198.90x = 848,099,176,962.62
  5. Step 5: Solve for x
    x = 848,099,176,962.62/864,198.90
  6. Step 6: Final answer
    x = 981,370.35

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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.