Home / 774,546.12-1,068,871.50-430,380.63

Finding the Fourth Proportional to 774,546.12, 1,068,871.50 and 430,380.63

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Solution

The fourth proportional to 774,546.12, 1,068,871.50 and 430,380.63 is: 593,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,546.12 : 1,068,871.50 = 430,380.63 : x
  2. Step 2: Convert to fraction form
    774,546.12/1,068,871.50 = 430,380.63/x
  3. Step 3: Cross multiply
    774,546.12x = 1,068,871.50 × 430,380.63
  4. Step 4: Simplify right side
    774,546.12x = 460,021,589,559.05
  5. Step 5: Solve for x
    x = 460,021,589,559.05/774,546.12
  6. Step 6: Final answer
    x = 593,924.08

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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.