Home / 1,243,044.39-1,715,384.01-699,180.54

Finding the Fourth Proportional to 1,243,044.39, 1,715,384.01 and 699,180.54

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Solution

The fourth proportional to 1,243,044.39, 1,715,384.01 and 699,180.54 is: 964,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,044.39 : 1,715,384.01 = 699,180.54 : x
  2. Step 2: Convert to fraction form
    1,243,044.39/1,715,384.01 = 699,180.54/x
  3. Step 3: Cross multiply
    1,243,044.39x = 1,715,384.01 × 699,180.54
  4. Step 4: Simplify right side
    1,243,044.39x = 1,199,363,118,419.17
  5. Step 5: Solve for x
    x = 1,199,363,118,419.17/1,243,044.39
  6. Step 6: Final answer
    x = 964,859.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.