Home / 694,139.10-1,041,208.65-379,211.10

Finding the Fourth Proportional to 694,139.10, 1,041,208.65 and 379,211.10

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Solution

The fourth proportional to 694,139.10, 1,041,208.65 and 379,211.10 is: 568,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,139.10 : 1,041,208.65 = 379,211.10 : x
  2. Step 2: Convert to fraction form
    694,139.10/1,041,208.65 = 379,211.10/x
  3. Step 3: Cross multiply
    694,139.10x = 1,041,208.65 × 379,211.10
  4. Step 4: Simplify right side
    694,139.10x = 394,837,877,496.02
  5. Step 5: Solve for x
    x = 394,837,877,496.02/694,139.10
  6. Step 6: Final answer
    x = 568,816.65

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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.