Home / 423,078.73-583,845.24-229,485.96

Finding the Fourth Proportional to 423,078.73, 583,845.24 and 229,485.96

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Solution

The fourth proportional to 423,078.73, 583,845.24 and 229,485.96 is: 316,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,078.73 : 583,845.24 = 229,485.96 : x
  2. Step 2: Convert to fraction form
    423,078.73/583,845.24 = 229,485.96/x
  3. Step 3: Cross multiply
    423,078.73x = 583,845.24 × 229,485.96
  4. Step 4: Simplify right side
    423,078.73x = 133,984,281,899.89
  5. Step 5: Solve for x
    x = 133,984,281,899.89/423,078.73
  6. Step 6: Final answer
    x = 316,688.77

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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.