Home / 679,969.05-1,019,953.58-206,592.90

Finding the Fourth Proportional to 679,969.05, 1,019,953.58 and 206,592.90

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Solution

The fourth proportional to 679,969.05, 1,019,953.58 and 206,592.90 is: 309,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,969.05 : 1,019,953.58 = 206,592.90 : x
  2. Step 2: Convert to fraction form
    679,969.05/1,019,953.58 = 206,592.90/x
  3. Step 3: Cross multiply
    679,969.05x = 1,019,953.58 × 206,592.90
  4. Step 4: Simplify right side
    679,969.05x = 210,715,166,924.62
  5. Step 5: Solve for x
    x = 210,715,166,924.62/679,969.05
  6. Step 6: Final answer
    x = 309,889.35

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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.