Home / 825,821.76-1,138,776.64-583,993.92

Finding the Fourth Proportional to 825,821.76, 1,138,776.64 and 583,993.92

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Solution

The fourth proportional to 825,821.76, 1,138,776.64 and 583,993.92 is: 805,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,821.76 : 1,138,776.64 = 583,993.92 : x
  2. Step 2: Convert to fraction form
    825,821.76/1,138,776.64 = 583,993.92/x
  3. Step 3: Cross multiply
    825,821.76x = 1,138,776.64 × 583,993.92
  4. Step 4: Simplify right side
    825,821.76x = 665,038,633,998.03
  5. Step 5: Solve for x
    x = 665,038,633,998.03/825,821.76
  6. Step 6: Final answer
    x = 805,305.29

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1.5x scale

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.