Home / 666,456.53-999,582.09-217,176.26

Finding the Fourth Proportional to 666,456.53, 999,582.09 and 217,176.26

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Solution

The fourth proportional to 666,456.53, 999,582.09 and 217,176.26 is: 325,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,456.53 : 999,582.09 = 217,176.26 : x
  2. Step 2: Convert to fraction form
    666,456.53/999,582.09 = 217,176.26/x
  3. Step 3: Cross multiply
    666,456.53x = 999,582.09 × 217,176.26
  4. Step 4: Simplify right side
    666,456.53x = 217,085,499,869.18
  5. Step 5: Solve for x
    x = 217,085,499,869.18/666,456.53
  6. Step 6: Final answer
    x = 325,730.92

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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.