Home / 545,734.73-753,118.90-304,016.56

Finding the Fourth Proportional to 545,734.73, 753,118.90 and 304,016.56

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Solution

The fourth proportional to 545,734.73, 753,118.90 and 304,016.56 is: 419,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,734.73 : 753,118.90 = 304,016.56 : x
  2. Step 2: Convert to fraction form
    545,734.73/753,118.90 = 304,016.56/x
  3. Step 3: Cross multiply
    545,734.73x = 753,118.90 × 304,016.56
  4. Step 4: Simplify right side
    545,734.73x = 228,960,614,606.15
  5. Step 5: Solve for x
    x = 228,960,614,606.15/545,734.73
  6. Step 6: Final answer
    x = 419,545.62

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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.