Home / 839,249.80-1,158,164.90-457,276.58

Finding the Fourth Proportional to 839,249.80, 1,158,164.90 and 457,276.58

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Solution

The fourth proportional to 839,249.80, 1,158,164.90 and 457,276.58 is: 631,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,249.80 : 1,158,164.90 = 457,276.58 : x
  2. Step 2: Convert to fraction form
    839,249.80/1,158,164.90 = 457,276.58/x
  3. Step 3: Cross multiply
    839,249.80x = 1,158,164.90 × 457,276.58
  4. Step 4: Simplify right side
    839,249.80x = 529,601,684,548.04
  5. Step 5: Solve for x
    x = 529,601,684,548.04/839,249.80
  6. Step 6: Final answer
    x = 631,041.78

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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.