Home / 1,246,703.42-1,870,161.21-393,546.83

Finding the Fourth Proportional to 1,246,703.42, 1,870,161.21 and 393,546.83

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Solution

The fourth proportional to 1,246,703.42, 1,870,161.21 and 393,546.83 is: 590,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,703.42 : 1,870,161.21 = 393,546.83 : x
  2. Step 2: Convert to fraction form
    1,246,703.42/1,870,161.21 = 393,546.83/x
  3. Step 3: Cross multiply
    1,246,703.42x = 1,870,161.21 × 393,546.83
  4. Step 4: Simplify right side
    1,246,703.42x = 735,996,006,433.66
  5. Step 5: Solve for x
    x = 735,996,006,433.66/1,246,703.42
  6. Step 6: Final answer
    x = 590,353.72

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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.