Home / 427,276.84-589,463.94-245,945.38

Finding the Fourth Proportional to 427,276.84, 589,463.94 and 245,945.38

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Solution

The fourth proportional to 427,276.84, 589,463.94 and 245,945.38 is: 339,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,276.84 : 589,463.94 = 245,945.38 : x
  2. Step 2: Convert to fraction form
    427,276.84/589,463.94 = 245,945.38/x
  3. Step 3: Cross multiply
    427,276.84x = 589,463.94 × 245,945.38
  4. Step 4: Simplify right side
    427,276.84x = 144,975,932,719.60
  5. Step 5: Solve for x
    x = 144,975,932,719.60/427,276.84
  6. Step 6: Final answer
    x = 339,302.11

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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.