Home / 839,067.31-1,157,902.45-457,085.89

Finding the Fourth Proportional to 839,067.31, 1,157,902.45 and 457,085.89

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Solution

The fourth proportional to 839,067.31, 1,157,902.45 and 457,085.89 is: 630,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,067.31 : 1,157,902.45 = 457,085.89 : x
  2. Step 2: Convert to fraction form
    839,067.31/1,157,902.45 = 457,085.89/x
  3. Step 3: Cross multiply
    839,067.31x = 1,157,902.45 × 457,085.89
  4. Step 4: Simplify right side
    839,067.31x = 529,260,871,891.43
  5. Step 5: Solve for x
    x = 529,260,871,891.43/839,067.31
  6. Step 6: Final answer
    x = 630,772.84

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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.