Home / 1,117,515.76-1,542,171.74-608,221.78

Finding the Fourth Proportional to 1,117,515.76, 1,542,171.74 and 608,221.78

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Solution

The fourth proportional to 1,117,515.76, 1,542,171.74 and 608,221.78 is: 839,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,515.76 : 1,542,171.74 = 608,221.78 : x
  2. Step 2: Convert to fraction form
    1,117,515.76/1,542,171.74 = 608,221.78/x
  3. Step 3: Cross multiply
    1,117,515.76x = 1,542,171.74 × 608,221.78
  4. Step 4: Simplify right side
    1,117,515.76x = 937,982,440,768.50
  5. Step 5: Solve for x
    x = 937,982,440,768.50/1,117,515.76
  6. Step 6: Final answer
    x = 839,346.05

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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.