Home / 2,209,805-3,314,698.05-612,363.50

Finding the Fourth Proportional to 2,209,805, 3,314,698.05 and 612,363.50

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Solution

The fourth proportional to 2,209,805, 3,314,698.05 and 612,363.50 is: 918,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,805 : 3,314,698.05 = 612,363.50 : x
  2. Step 2: Convert to fraction form
    2,209,805/3,314,698.05 = 612,363.50/x
  3. Step 3: Cross multiply
    2,209,805x = 3,314,698.05 × 612,363.50
  4. Step 4: Simplify right side
    2,209,805x = 2,029,800,099,341.17
  5. Step 5: Solve for x
    x = 2,029,800,099,341.17/2,209,805
  6. Step 6: Final answer
    x = 918,542.63

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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.