Home / 1,115,841.45-1,519,260.74-1,112,298.51

Finding the Fourth Proportional to 1,115,841.45, 1,519,260.74 and 1,112,298.51

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Solution

The fourth proportional to 1,115,841.45, 1,519,260.74 and 1,112,298.51 is: 1,514,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,841.45 : 1,519,260.74 = 1,112,298.51 : x
  2. Step 2: Convert to fraction form
    1,115,841.45/1,519,260.74 = 1,112,298.51/x
  3. Step 3: Cross multiply
    1,115,841.45x = 1,519,260.74 × 1,112,298.51
  4. Step 4: Simplify right side
    1,115,841.45x = 1,689,871,451,842.01
  5. Step 5: Solve for x
    x = 1,689,871,451,842.01/1,115,841.45
  6. Step 6: Final answer
    x = 1,514,436.89

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.