Home / 450,122.69-674,493.81-305,844.77

Finding the Fourth Proportional to 450,122.69, 674,493.81 and 305,844.77

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Solution

The fourth proportional to 450,122.69, 674,493.81 and 305,844.77 is: 458,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,122.69 : 674,493.81 = 305,844.77 : x
  2. Step 2: Convert to fraction form
    450,122.69/674,493.81 = 305,844.77/x
  3. Step 3: Cross multiply
    450,122.69x = 674,493.81 × 305,844.77
  4. Step 4: Simplify right side
    450,122.69x = 206,290,400,931.16
  5. Step 5: Solve for x
    x = 206,290,400,931.16/450,122.69
  6. Step 6: Final answer
    x = 458,298.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.