Home / 839,487.12-1,259,601.66-440,032.38

Finding the Fourth Proportional to 839,487.12, 1,259,601.66 and 440,032.38

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Solution

The fourth proportional to 839,487.12, 1,259,601.66 and 440,032.38 is: 660,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,487.12 : 1,259,601.66 = 440,032.38 : x
  2. Step 2: Convert to fraction form
    839,487.12/1,259,601.66 = 440,032.38/x
  3. Step 3: Cross multiply
    839,487.12x = 1,259,601.66 × 440,032.38
  4. Step 4: Simplify right side
    839,487.12x = 554,265,516,301.75
  5. Step 5: Solve for x
    x = 554,265,516,301.75/839,487.12
  6. Step 6: Final answer
    x = 660,243.03

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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.