Home / 864,200.40-1,296,300.60-654,248.40

Finding the Fourth Proportional to 864,200.40, 1,296,300.60 and 654,248.40

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Solution

The fourth proportional to 864,200.40, 1,296,300.60 and 654,248.40 is: 981,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,200.40 : 1,296,300.60 = 654,248.40 : x
  2. Step 2: Convert to fraction form
    864,200.40/1,296,300.60 = 654,248.40/x
  3. Step 3: Cross multiply
    864,200.40x = 1,296,300.60 × 654,248.40
  4. Step 4: Simplify right side
    864,200.40x = 848,102,593,469.04
  5. Step 5: Solve for x
    x = 848,102,593,469.04/864,200.40
  6. Step 6: Final answer
    x = 981,372.60

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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.