Home / 892,051.91-1,231,043.42-484,158.63

Finding the Fourth Proportional to 892,051.91, 1,231,043.42 and 484,158.63

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Solution

The fourth proportional to 892,051.91, 1,231,043.42 and 484,158.63 is: 668,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,051.91 : 1,231,043.42 = 484,158.63 : x
  2. Step 2: Convert to fraction form
    892,051.91/1,231,043.42 = 484,158.63/x
  3. Step 3: Cross multiply
    892,051.91x = 1,231,043.42 × 484,158.63
  4. Step 4: Simplify right side
    892,051.91x = 596,020,296,908.11
  5. Step 5: Solve for x
    x = 596,020,296,908.11/892,051.91
  6. Step 6: Final answer
    x = 668,145.31

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Double scale
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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.