Home / 422,966.47-583,698.25-229,374.55

Finding the Fourth Proportional to 422,966.47, 583,698.25 and 229,374.55

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Solution

The fourth proportional to 422,966.47, 583,698.25 and 229,374.55 is: 316,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,966.47 : 583,698.25 = 229,374.55 : x
  2. Step 2: Convert to fraction form
    422,966.47/583,698.25 = 229,374.55/x
  3. Step 3: Cross multiply
    422,966.47x = 583,698.25 × 229,374.55
  4. Step 4: Simplify right side
    422,966.47x = 133,885,520,511.05
  5. Step 5: Solve for x
    x = 133,885,520,511.05/422,966.47
  6. Step 6: Final answer
    x = 316,539.32

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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.