Home / 1,054,818.20-1,455,619.11-619,228.55

Finding the Fourth Proportional to 1,054,818.20, 1,455,619.11 and 619,228.55

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Solution

The fourth proportional to 1,054,818.20, 1,455,619.11 and 619,228.55 is: 854,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,818.20 : 1,455,619.11 = 619,228.55 : x
  2. Step 2: Convert to fraction form
    1,054,818.20/1,455,619.11 = 619,228.55/x
  3. Step 3: Cross multiply
    1,054,818.20x = 1,455,619.11 × 619,228.55
  4. Step 4: Simplify right side
    1,054,818.20x = 901,360,903,559.50
  5. Step 5: Solve for x
    x = 901,360,903,559.50/1,054,818.20
  6. Step 6: Final answer
    x = 854,517.78

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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.