Home / 412,827.60-619,241.40-163,509.60

Finding the Fourth Proportional to 412,827.60, 619,241.40 and 163,509.60

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Solution

The fourth proportional to 412,827.60, 619,241.40 and 163,509.60 is: 245,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,827.60 : 619,241.40 = 163,509.60 : x
  2. Step 2: Convert to fraction form
    412,827.60/619,241.40 = 163,509.60/x
  3. Step 3: Cross multiply
    412,827.60x = 619,241.40 × 163,509.60
  4. Step 4: Simplify right side
    412,827.60x = 101,251,913,617.44
  5. Step 5: Solve for x
    x = 101,251,913,617.44/412,827.60
  6. Step 6: Final answer
    x = 245,264.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.