Home / 407,979.81-563,000.09-226,687.23

Finding the Fourth Proportional to 407,979.81, 563,000.09 and 226,687.23

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Solution

The fourth proportional to 407,979.81, 563,000.09 and 226,687.23 is: 312,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,979.81 : 563,000.09 = 226,687.23 : x
  2. Step 2: Convert to fraction form
    407,979.81/563,000.09 = 226,687.23/x
  3. Step 3: Cross multiply
    407,979.81x = 563,000.09 × 226,687.23
  4. Step 4: Simplify right side
    407,979.81x = 127,624,929,758.42
  5. Step 5: Solve for x
    x = 127,624,929,758.42/407,979.81
  6. Step 6: Final answer
    x = 312,821.68

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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.