Home / 1,322,118.34-1,983,178.16-872,734.18

Finding the Fourth Proportional to 1,322,118.34, 1,983,178.16 and 872,734.18

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Solution

The fourth proportional to 1,322,118.34, 1,983,178.16 and 872,734.18 is: 1,309,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,118.34 : 1,983,178.16 = 872,734.18 : x
  2. Step 2: Convert to fraction form
    1,322,118.34/1,983,178.16 = 872,734.18/x
  3. Step 3: Cross multiply
    1,322,118.34x = 1,983,178.16 × 872,734.18
  4. Step 4: Simplify right side
    1,322,118.34x = 1,730,787,365,261.51
  5. Step 5: Solve for x
    x = 1,730,787,365,261.51/1,322,118.34
  6. Step 6: Final answer
    x = 1,309,101.70

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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.