Home / 882,035.23-1,321,383.43-521,126.77

Finding the Fourth Proportional to 882,035.23, 1,321,383.43 and 521,126.77

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Solution

The fourth proportional to 882,035.23, 1,321,383.43 and 521,126.77 is: 780,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,035.23 : 1,321,383.43 = 521,126.77 : x
  2. Step 2: Convert to fraction form
    882,035.23/1,321,383.43 = 521,126.77/x
  3. Step 3: Cross multiply
    882,035.23x = 1,321,383.43 × 521,126.77
  4. Step 4: Simplify right side
    882,035.23x = 688,608,269,594.87
  5. Step 5: Solve for x
    x = 688,608,269,594.87/882,035.23
  6. Step 6: Final answer
    x = 780,703.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.