Home / 554,746.89-765,545.25-300,092.61

Finding the Fourth Proportional to 554,746.89, 765,545.25 and 300,092.61

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Solution

The fourth proportional to 554,746.89, 765,545.25 and 300,092.61 is: 414,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,746.89 : 765,545.25 = 300,092.61 : x
  2. Step 2: Convert to fraction form
    554,746.89/765,545.25 = 300,092.61/x
  3. Step 3: Cross multiply
    554,746.89x = 765,545.25 × 300,092.61
  4. Step 4: Simplify right side
    554,746.89x = 229,734,472,145.60
  5. Step 5: Solve for x
    x = 229,734,472,145.60/554,746.89
  6. Step 6: Final answer
    x = 414,124.85

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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.