Home / 839,231.36-1,259,080.64-365,958.40

Finding the Fourth Proportional to 839,231.36, 1,259,080.64 and 365,958.40

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Solution

The fourth proportional to 839,231.36, 1,259,080.64 and 365,958.40 is: 549,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,231.36 : 1,259,080.64 = 365,958.40 : x
  2. Step 2: Convert to fraction form
    839,231.36/1,259,080.64 = 365,958.40/x
  3. Step 3: Cross multiply
    839,231.36x = 1,259,080.64 × 365,958.40
  4. Step 4: Simplify right side
    839,231.36x = 460,771,136,485.38
  5. Step 5: Solve for x
    x = 460,771,136,485.38/839,231.36
  6. Step 6: Final answer
    x = 549,039.46

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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.