Home / 1,262,964.86-1,893,170.78-543,775.68

Finding the Fourth Proportional to 1,262,964.86, 1,893,170.78 and 543,775.68

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Solution

The fourth proportional to 1,262,964.86, 1,893,170.78 and 543,775.68 is: 815,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,964.86 : 1,893,170.78 = 543,775.68 : x
  2. Step 2: Convert to fraction form
    1,262,964.86/1,893,170.78 = 543,775.68/x
  3. Step 3: Cross multiply
    1,262,964.86x = 1,893,170.78 × 543,775.68
  4. Step 4: Simplify right side
    1,262,964.86x = 1,029,460,227,570.91
  5. Step 5: Solve for x
    x = 1,029,460,227,570.91/1,262,964.86
  6. Step 6: Final answer
    x = 815,113.91

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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.