Home / 423,078.41-583,844.81-229,485.64

Finding the Fourth Proportional to 423,078.41, 583,844.81 and 229,485.64

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Solution

The fourth proportional to 423,078.41, 583,844.81 and 229,485.64 is: 316,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,078.41 : 583,844.81 = 229,485.64 : x
  2. Step 2: Convert to fraction form
    423,078.41/583,844.81 = 229,485.64/x
  3. Step 3: Cross multiply
    423,078.41x = 583,844.81 × 229,485.64
  4. Step 4: Simplify right side
    423,078.41x = 133,983,997,276.49
  5. Step 5: Solve for x
    x = 133,983,997,276.49/423,078.41
  6. Step 6: Final answer
    x = 316,688.33

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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.