Home / 1,110,932.04-1,666,879.37-391,787.62

Finding the Fourth Proportional to 1,110,932.04, 1,666,879.37 and 391,787.62

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Solution

The fourth proportional to 1,110,932.04, 1,666,879.37 and 391,787.62 is: 587,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,932.04 : 1,666,879.37 = 391,787.62 : x
  2. Step 2: Convert to fraction form
    1,110,932.04/1,666,879.37 = 391,787.62/x
  3. Step 3: Cross multiply
    1,110,932.04x = 1,666,879.37 × 391,787.62
  4. Step 4: Simplify right side
    1,110,932.04x = 653,062,704,125.55
  5. Step 5: Solve for x
    x = 653,062,704,125.55/1,110,932.04
  6. Step 6: Final answer
    x = 587,851.18

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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.