Home / 1,342,689.20-2,014,033.80-543,996.80

Finding the Fourth Proportional to 1,342,689.20, 2,014,033.80 and 543,996.80

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Solution

The fourth proportional to 1,342,689.20, 2,014,033.80 and 543,996.80 is: 815,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,689.20 : 2,014,033.80 = 543,996.80 : x
  2. Step 2: Convert to fraction form
    1,342,689.20/2,014,033.80 = 543,996.80/x
  3. Step 3: Cross multiply
    1,342,689.20x = 2,014,033.80 × 543,996.80
  4. Step 4: Simplify right side
    1,342,689.20x = 1,095,627,942,291.84
  5. Step 5: Solve for x
    x = 1,095,627,942,291.84/1,342,689.20
  6. Step 6: Final answer
    x = 815,995.20

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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.