Home / 679,595.10-1,019,133.45-206,123.10

Finding the Fourth Proportional to 679,595.10, 1,019,133.45 and 206,123.10

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Solution

The fourth proportional to 679,595.10, 1,019,133.45 and 206,123.10 is: 309,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,595.10 : 1,019,133.45 = 206,123.10 : x
  2. Step 2: Convert to fraction form
    679,595.10/1,019,133.45 = 206,123.10/x
  3. Step 3: Cross multiply
    679,595.10x = 1,019,133.45 × 206,123.10
  4. Step 4: Simplify right side
    679,595.10x = 210,066,946,027.70
  5. Step 5: Solve for x
    x = 210,066,946,027.70/679,595.10
  6. Step 6: Final answer
    x = 309,106.03

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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.