Home / 812,616-1,121,037.96-526,228.32

Finding the Fourth Proportional to 812,616, 1,121,037.96 and 526,228.32

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Solution

The fourth proportional to 812,616, 1,121,037.96 and 526,228.32 is: 725,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,616 : 1,121,037.96 = 526,228.32 : x
  2. Step 2: Convert to fraction form
    812,616/1,121,037.96 = 526,228.32/x
  3. Step 3: Cross multiply
    812,616x = 1,121,037.96 × 526,228.32
  4. Step 4: Simplify right side
    812,616x = 589,921,922,347.03
  5. Step 5: Solve for x
    x = 589,921,922,347.03/812,616
  6. Step 6: Final answer
    x = 725,954.11

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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.