Home / 554,216.11-764,826.74-324,718.47

Finding the Fourth Proportional to 554,216.11, 764,826.74 and 324,718.47

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Solution

The fourth proportional to 554,216.11, 764,826.74 and 324,718.47 is: 448,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,216.11 : 764,826.74 = 324,718.47 : x
  2. Step 2: Convert to fraction form
    554,216.11/764,826.74 = 324,718.47/x
  3. Step 3: Cross multiply
    554,216.11x = 764,826.74 × 324,718.47
  4. Step 4: Simplify right side
    554,216.11x = 248,353,368,421.99
  5. Step 5: Solve for x
    x = 248,353,368,421.99/554,216.11
  6. Step 6: Final answer
    x = 448,116.47

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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.