Home / 825,822.11-1,238,856.29-293,298.41

Finding the Fourth Proportional to 825,822.11, 1,238,856.29 and 293,298.41

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Solution

The fourth proportional to 825,822.11, 1,238,856.29 and 293,298.41 is: 439,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,822.11 : 1,238,856.29 = 293,298.41 : x
  2. Step 2: Convert to fraction form
    825,822.11/1,238,856.29 = 293,298.41/x
  3. Step 3: Cross multiply
    825,822.11x = 1,238,856.29 × 293,298.41
  4. Step 4: Simplify right side
    825,822.11x = 363,354,580,075.50
  5. Step 5: Solve for x
    x = 363,354,580,075.50/825,822.11
  6. Step 6: Final answer
    x = 439,991.34

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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.