Home / 912,964.41-1,259,664.53-590,286.23

Finding the Fourth Proportional to 912,964.41, 1,259,664.53 and 590,286.23

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Solution

The fourth proportional to 912,964.41, 1,259,664.53 and 590,286.23 is: 814,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,964.41 : 1,259,664.53 = 590,286.23 : x
  2. Step 2: Convert to fraction form
    912,964.41/1,259,664.53 = 590,286.23/x
  3. Step 3: Cross multiply
    912,964.41x = 1,259,664.53 × 590,286.23
  4. Step 4: Simplify right side
    912,964.41x = 743,562,621,853.55
  5. Step 5: Solve for x
    x = 743,562,621,853.55/912,964.41
  6. Step 6: Final answer
    x = 814,448.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.