Home / 3,102,645.60-4,653,968.40-858,783.60

Finding the Fourth Proportional to 3,102,645.60, 4,653,968.40 and 858,783.60

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Solution

The fourth proportional to 3,102,645.60, 4,653,968.40 and 858,783.60 is: 1,288,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,645.60 : 4,653,968.40 = 858,783.60 : x
  2. Step 2: Convert to fraction form
    3,102,645.60/4,653,968.40 = 858,783.60/x
  3. Step 3: Cross multiply
    3,102,645.60x = 4,653,968.40 × 858,783.60
  4. Step 4: Simplify right side
    3,102,645.60x = 3,996,751,736,838.24
  5. Step 5: Solve for x
    x = 3,996,751,736,838.24/3,102,645.60
  6. Step 6: Final answer
    x = 1,288,175.40

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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.