Home / 839,250.27-1,158,132.87-457,279.92

Finding the Fourth Proportional to 839,250.27, 1,158,132.87 and 457,279.92

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Solution

The fourth proportional to 839,250.27, 1,158,132.87 and 457,279.92 is: 631,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,250.27 : 1,158,132.87 = 457,279.92 : x
  2. Step 2: Convert to fraction form
    839,250.27/1,158,132.87 = 457,279.92/x
  3. Step 3: Cross multiply
    839,250.27x = 1,158,132.87 × 457,279.92
  4. Step 4: Simplify right side
    839,250.27x = 529,590,906,142.97
  5. Step 5: Solve for x
    x = 529,590,906,142.97/839,250.27
  6. Step 6: Final answer
    x = 631,028.58

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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.