Home / 839,162.91-1,158,044.94-457,189.68

Finding the Fourth Proportional to 839,162.91, 1,158,044.94 and 457,189.68

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Solution

The fourth proportional to 839,162.91, 1,158,044.94 and 457,189.68 is: 630,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,162.91 : 1,158,044.94 = 457,189.68 : x
  2. Step 2: Convert to fraction form
    839,162.91/1,158,044.94 = 457,189.68/x
  3. Step 3: Cross multiply
    839,162.91x = 1,158,044.94 × 457,189.68
  4. Step 4: Simplify right side
    839,162.91x = 529,446,195,544.22
  5. Step 5: Solve for x
    x = 529,446,195,544.22/839,162.91
  6. Step 6: Final answer
    x = 630,921.83

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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.