Home / 999,155.44-1,499,789.40-976,592.08

Finding the Fourth Proportional to 999,155.44, 1,499,789.40 and 976,592.08

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Solution

The fourth proportional to 999,155.44, 1,499,789.40 and 976,592.08 is: 1,465,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,155.44 : 1,499,789.40 = 976,592.08 : x
  2. Step 2: Convert to fraction form
    999,155.44/1,499,789.40 = 976,592.08/x
  3. Step 3: Cross multiply
    999,155.44x = 1,499,789.40 × 976,592.08
  4. Step 4: Simplify right side
    999,155.44x = 1,464,682,449,707.95
  5. Step 5: Solve for x
    x = 1,464,682,449,707.95/999,155.44
  6. Step 6: Final answer
    x = 1,465,920.51

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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.