Home / 1,503,072-2,074,239.48-824,013.36

Finding the Fourth Proportional to 1,503,072, 2,074,239.48 and 824,013.36

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Solution

The fourth proportional to 1,503,072, 2,074,239.48 and 824,013.36 is: 1,137,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,072 : 2,074,239.48 = 824,013.36 : x
  2. Step 2: Convert to fraction form
    1,503,072/2,074,239.48 = 824,013.36/x
  3. Step 3: Cross multiply
    1,503,072x = 2,074,239.48 × 824,013.36
  4. Step 4: Simplify right side
    1,503,072x = 1,709,201,043,359.45
  5. Step 5: Solve for x
    x = 1,709,201,043,359.45/1,503,072
  6. Step 6: Final answer
    x = 1,137,138.50

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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.