Home / 2,209,809-3,314,704.05-612,367.50

Finding the Fourth Proportional to 2,209,809, 3,314,704.05 and 612,367.50

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Solution

The fourth proportional to 2,209,809, 3,314,704.05 and 612,367.50 is: 918,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,809 : 3,314,704.05 = 612,367.50 : x
  2. Step 2: Convert to fraction form
    2,209,809/3,314,704.05 = 612,367.50/x
  3. Step 3: Cross multiply
    2,209,809x = 3,314,704.05 × 612,367.50
  4. Step 4: Simplify right side
    2,209,809x = 2,029,817,032,338.38
  5. Step 5: Solve for x
    x = 2,029,817,032,338.38/2,209,809
  6. Step 6: Final answer
    x = 918,548.63

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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.