Home / 554,270.12-764,899.79-336,415.76

Finding the Fourth Proportional to 554,270.12, 764,899.79 and 336,415.76

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Solution

The fourth proportional to 554,270.12, 764,899.79 and 336,415.76 is: 464,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,270.12 : 764,899.79 = 336,415.76 : x
  2. Step 2: Convert to fraction form
    554,270.12/764,899.79 = 336,415.76/x
  3. Step 3: Cross multiply
    554,270.12x = 764,899.79 × 336,415.76
  4. Step 4: Simplify right side
    554,270.12x = 257,324,338,670.11
  5. Step 5: Solve for x
    x = 257,324,338,670.11/554,270.12
  6. Step 6: Final answer
    x = 464,258.01

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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.