Home / 310,614.04-427,589.54-229,889.44

Finding the Fourth Proportional to 310,614.04, 427,589.54 and 229,889.44

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Solution

The fourth proportional to 310,614.04, 427,589.54 and 229,889.44 is: 316,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,614.04 : 427,589.54 = 229,889.44 : x
  2. Step 2: Convert to fraction form
    310,614.04/427,589.54 = 229,889.44/x
  3. Step 3: Cross multiply
    310,614.04x = 427,589.54 × 229,889.44
  4. Step 4: Simplify right side
    310,614.04x = 98,298,319,900.46
  5. Step 5: Solve for x
    x = 98,298,319,900.46/310,614.04
  6. Step 6: Final answer
    x = 316,464.51

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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.