Home / 1,889,830.20-2,832,930.90-627,007.80

Finding the Fourth Proportional to 1,889,830.20, 2,832,930.90 and 627,007.80

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Solution

The fourth proportional to 1,889,830.20, 2,832,930.90 and 627,007.80 is: 939,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,830.20 : 2,832,930.90 = 627,007.80 : x
  2. Step 2: Convert to fraction form
    1,889,830.20/2,832,930.90 = 627,007.80/x
  3. Step 3: Cross multiply
    1,889,830.20x = 2,832,930.90 × 627,007.80
  4. Step 4: Simplify right side
    1,889,830.20x = 1,776,269,771,161.02
  5. Step 5: Solve for x
    x = 1,776,269,771,161.02/1,889,830.20
  6. Step 6: Final answer
    x = 939,909.72

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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.