Home / 693,944.10-1,040,916.15-414,008.10

Finding the Fourth Proportional to 693,944.10, 1,040,916.15 and 414,008.10

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Solution

The fourth proportional to 693,944.10, 1,040,916.15 and 414,008.10 is: 621,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,944.10 : 1,040,916.15 = 414,008.10 : x
  2. Step 2: Convert to fraction form
    693,944.10/1,040,916.15 = 414,008.10/x
  3. Step 3: Cross multiply
    693,944.10x = 1,040,916.15 × 414,008.10
  4. Step 4: Simplify right side
    693,944.10x = 430,947,717,520.82
  5. Step 5: Solve for x
    x = 430,947,717,520.82/693,944.10
  6. Step 6: Final answer
    x = 621,012.15

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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.