Home / 427,251.42-589,665.69-245,959.38

Finding the Fourth Proportional to 427,251.42, 589,665.69 and 245,959.38

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Solution

The fourth proportional to 427,251.42, 589,665.69 and 245,959.38 is: 339,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,251.42 : 589,665.69 = 245,959.38 : x
  2. Step 2: Convert to fraction form
    427,251.42/589,665.69 = 245,959.38/x
  3. Step 3: Cross multiply
    427,251.42x = 589,665.69 × 245,959.38
  4. Step 4: Simplify right side
    427,251.42x = 145,033,807,519.67
  5. Step 5: Solve for x
    x = 145,033,807,519.67/427,251.42
  6. Step 6: Final answer
    x = 339,457.75

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1.5x scale

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.