Home / 5,128,676.40-7,693,014.60-4,892,480.40

Finding the Fourth Proportional to 5,128,676.40, 7,693,014.60 and 4,892,480.40

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Solution

The fourth proportional to 5,128,676.40, 7,693,014.60 and 4,892,480.40 is: 7,338,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,676.40 : 7,693,014.60 = 4,892,480.40 : x
  2. Step 2: Convert to fraction form
    5,128,676.40/7,693,014.60 = 4,892,480.40/x
  3. Step 3: Cross multiply
    5,128,676.40x = 7,693,014.60 × 4,892,480.40
  4. Step 4: Simplify right side
    5,128,676.40x = 37,637,923,147,413.84
  5. Step 5: Solve for x
    x = 37,637,923,147,413.84/5,128,676.40
  6. Step 6: Final answer
    x = 7,338,720.60

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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.