Home / 839,949.80-1,259,597.10-366,312.20

Finding the Fourth Proportional to 839,949.80, 1,259,597.10 and 366,312.20

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Solution

The fourth proportional to 839,949.80, 1,259,597.10 and 366,312.20 is: 549,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,949.80 : 1,259,597.10 = 366,312.20 : x
  2. Step 2: Convert to fraction form
    839,949.80/1,259,597.10 = 366,312.20/x
  3. Step 3: Cross multiply
    839,949.80x = 1,259,597.10 × 366,312.20
  4. Step 4: Simplify right side
    839,949.80x = 461,405,784,814.62
  5. Step 5: Solve for x
    x = 461,405,784,814.62/839,949.80
  6. Step 6: Final answer
    x = 549,325.43

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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.