Home / 668,913.03-1,003,433.94-189,156.51

Finding the Fourth Proportional to 668,913.03, 1,003,433.94 and 189,156.51

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Solution

The fourth proportional to 668,913.03, 1,003,433.94 and 189,156.51 is: 283,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,913.03 : 1,003,433.94 = 189,156.51 : x
  2. Step 2: Convert to fraction form
    668,913.03/1,003,433.94 = 189,156.51/x
  3. Step 3: Cross multiply
    668,913.03x = 1,003,433.94 × 189,156.51
  4. Step 4: Simplify right side
    668,913.03x = 189,806,062,105.95
  5. Step 5: Solve for x
    x = 189,806,062,105.95/668,913.03
  6. Step 6: Final answer
    x = 283,752.97

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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.