Home / 1,261,441.32-1,892,411.20-462,729.78

Finding the Fourth Proportional to 1,261,441.32, 1,892,411.20 and 462,729.78

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Solution

The fourth proportional to 1,261,441.32, 1,892,411.20 and 462,729.78 is: 694,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,441.32 : 1,892,411.20 = 462,729.78 : x
  2. Step 2: Convert to fraction form
    1,261,441.32/1,892,411.20 = 462,729.78/x
  3. Step 3: Cross multiply
    1,261,441.32x = 1,892,411.20 × 462,729.78
  4. Step 4: Simplify right side
    1,261,441.32x = 875,675,018,823.95
  5. Step 5: Solve for x
    x = 875,675,018,823.95/1,261,441.32
  6. Step 6: Final answer
    x = 694,186.09

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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.