Home / 668,175.41-1,002,410.54-194,897.81

Finding the Fourth Proportional to 668,175.41, 1,002,410.54 and 194,897.81

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Solution

The fourth proportional to 668,175.41, 1,002,410.54 and 194,897.81 is: 292,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,175.41 : 1,002,410.54 = 194,897.81 : x
  2. Step 2: Convert to fraction form
    668,175.41/1,002,410.54 = 194,897.81/x
  3. Step 3: Cross multiply
    668,175.41x = 1,002,410.54 × 194,897.81
  4. Step 4: Simplify right side
    668,175.41x = 195,367,618,966.92
  5. Step 5: Solve for x
    x = 195,367,618,966.92/668,175.41
  6. Step 6: Final answer
    x = 292,389.72

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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.