Home / 839,448.12-1,259,543.16-439,993.38

Finding the Fourth Proportional to 839,448.12, 1,259,543.16 and 439,993.38

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Solution

The fourth proportional to 839,448.12, 1,259,543.16 and 439,993.38 is: 660,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,448.12 : 1,259,543.16 = 439,993.38 : x
  2. Step 2: Convert to fraction form
    839,448.12/1,259,543.16 = 439,993.38/x
  3. Step 3: Cross multiply
    839,448.12x = 1,259,543.16 × 439,993.38
  4. Step 4: Simplify right side
    839,448.12x = 554,190,652,224.28
  5. Step 5: Solve for x
    x = 554,190,652,224.28/839,448.12
  6. Step 6: Final answer
    x = 660,184.52

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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.