Home / 612,648.24-918,972.77-191,956.92

Finding the Fourth Proportional to 612,648.24, 918,972.77 and 191,956.92

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Solution

The fourth proportional to 612,648.24, 918,972.77 and 191,956.92 is: 287,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,648.24 : 918,972.77 = 191,956.92 : x
  2. Step 2: Convert to fraction form
    612,648.24/918,972.77 = 191,956.92/x
  3. Step 3: Cross multiply
    612,648.24x = 918,972.77 × 191,956.92
  4. Step 4: Simplify right side
    612,648.24x = 176,403,183,796.24
  5. Step 5: Solve for x
    x = 176,403,183,796.24/612,648.24
  6. Step 6: Final answer
    x = 287,935.51

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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.