Home / 2,631,318.40-3,946,977.60-636,774.40

Finding the Fourth Proportional to 2,631,318.40, 3,946,977.60 and 636,774.40

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Solution

The fourth proportional to 2,631,318.40, 3,946,977.60 and 636,774.40 is: 955,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,318.40 : 3,946,977.60 = 636,774.40 : x
  2. Step 2: Convert to fraction form
    2,631,318.40/3,946,977.60 = 636,774.40/x
  3. Step 3: Cross multiply
    2,631,318.40x = 3,946,977.60 × 636,774.40
  4. Step 4: Simplify right side
    2,631,318.40x = 2,513,334,293,053.44
  5. Step 5: Solve for x
    x = 2,513,334,293,053.44/2,631,318.40
  6. Step 6: Final answer
    x = 955,161.60

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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.