Home / 668,175.91-1,002,411.29-194,898.31

Finding the Fourth Proportional to 668,175.91, 1,002,411.29 and 194,898.31

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Solution

The fourth proportional to 668,175.91, 1,002,411.29 and 194,898.31 is: 292,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,175.91 : 1,002,411.29 = 194,898.31 : x
  2. Step 2: Convert to fraction form
    668,175.91/1,002,411.29 = 194,898.31/x
  3. Step 3: Cross multiply
    668,175.91x = 1,002,411.29 × 194,898.31
  4. Step 4: Simplify right side
    668,175.91x = 195,368,266,345.92
  5. Step 5: Solve for x
    x = 195,368,266,345.92/668,175.91
  6. Step 6: Final answer
    x = 292,390.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.