Home / 1,262,965.86-1,893,172.28-543,776.68

Finding the Fourth Proportional to 1,262,965.86, 1,893,172.28 and 543,776.68

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Solution

The fourth proportional to 1,262,965.86, 1,893,172.28 and 543,776.68 is: 815,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,965.86 : 1,893,172.28 = 543,776.68 : x
  2. Step 2: Convert to fraction form
    1,262,965.86/1,893,172.28 = 543,776.68/x
  3. Step 3: Cross multiply
    1,262,965.86x = 1,893,172.28 × 543,776.68
  4. Step 4: Simplify right side
    1,262,965.86x = 1,029,462,937,086.43
  5. Step 5: Solve for x
    x = 1,029,462,937,086.43/1,262,965.86
  6. Step 6: Final answer
    x = 815,115.41

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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.