Home / 1,008,914.76-1,392,311.88-556,221.96

Finding the Fourth Proportional to 1,008,914.76, 1,392,311.88 and 556,221.96

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Solution

The fourth proportional to 1,008,914.76, 1,392,311.88 and 556,221.96 is: 767,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,914.76 : 1,392,311.88 = 556,221.96 : x
  2. Step 2: Convert to fraction form
    1,008,914.76/1,392,311.88 = 556,221.96/x
  3. Step 3: Cross multiply
    1,008,914.76x = 1,392,311.88 × 556,221.96
  4. Step 4: Simplify right side
    1,008,914.76x = 774,434,442,824.89
  5. Step 5: Solve for x
    x = 774,434,442,824.89/1,008,914.76
  6. Step 6: Final answer
    x = 767,591.55

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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.