Home / 1,013,819.68-1,399,115.28-561,110.56

Finding the Fourth Proportional to 1,013,819.68, 1,399,115.28 and 561,110.56

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Solution

The fourth proportional to 1,013,819.68, 1,399,115.28 and 561,110.56 is: 774,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,819.68 : 1,399,115.28 = 561,110.56 : x
  2. Step 2: Convert to fraction form
    1,013,819.68/1,399,115.28 = 561,110.56/x
  3. Step 3: Cross multiply
    1,013,819.68x = 1,399,115.28 × 561,110.56
  4. Step 4: Simplify right side
    1,013,819.68x = 785,058,358,265.36
  5. Step 5: Solve for x
    x = 785,058,358,265.36/1,013,819.68
  6. Step 6: Final answer
    x = 774,356.99

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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.