Home / 5,390,195.40-8,085,293.10-4,858,754.40

Finding the Fourth Proportional to 5,390,195.40, 8,085,293.10 and 4,858,754.40

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Solution

The fourth proportional to 5,390,195.40, 8,085,293.10 and 4,858,754.40 is: 7,288,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,195.40 : 8,085,293.10 = 4,858,754.40 : x
  2. Step 2: Convert to fraction form
    5,390,195.40/8,085,293.10 = 4,858,754.40/x
  3. Step 3: Cross multiply
    5,390,195.40x = 8,085,293.10 × 4,858,754.40
  4. Step 4: Simplify right side
    5,390,195.40x = 39,284,453,424,914.64
  5. Step 5: Solve for x
    x = 39,284,453,424,914.64/5,390,195.40
  6. Step 6: Final answer
    x = 7,288,131.60

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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.