Home / 554,298.48-764,933.85-299,649.66

Finding the Fourth Proportional to 554,298.48, 764,933.85 and 299,649.66

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Solution

The fourth proportional to 554,298.48, 764,933.85 and 299,649.66 is: 413,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,298.48 : 764,933.85 = 299,649.66 : x
  2. Step 2: Convert to fraction form
    554,298.48/764,933.85 = 299,649.66/x
  3. Step 3: Cross multiply
    554,298.48x = 764,933.85 × 299,649.66
  4. Step 4: Simplify right side
    554,298.48x = 229,212,168,074.99
  5. Step 5: Solve for x
    x = 229,212,168,074.99/554,298.48
  6. Step 6: Final answer
    x = 413,517.58

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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.