Home / 666,456.03-999,581.34-217,175.76

Finding the Fourth Proportional to 666,456.03, 999,581.34 and 217,175.76

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Solution

The fourth proportional to 666,456.03, 999,581.34 and 217,175.76 is: 325,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,456.03 : 999,581.34 = 217,175.76 : x
  2. Step 2: Convert to fraction form
    666,456.03/999,581.34 = 217,175.76/x
  3. Step 3: Cross multiply
    666,456.03x = 999,581.34 × 217,175.76
  4. Step 4: Simplify right side
    666,456.03x = 217,084,837,196.32
  5. Step 5: Solve for x
    x = 217,084,837,196.32/666,456.03
  6. Step 6: Final answer
    x = 325,730.17

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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.