Home / 666,458.04-999,584.34-217,177.76

Finding the Fourth Proportional to 666,458.04, 999,584.34 and 217,177.76

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Solution

The fourth proportional to 666,458.04, 999,584.34 and 217,177.76 is: 325,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,458.04 : 999,584.34 = 217,177.76 : x
  2. Step 2: Convert to fraction form
    666,458.04/999,584.34 = 217,177.76/x
  3. Step 3: Cross multiply
    666,458.04x = 999,584.34 × 217,177.76
  4. Step 4: Simplify right side
    666,458.04x = 217,087,487,892.28
  5. Step 5: Solve for x
    x = 217,087,487,892.28/666,458.04
  6. Step 6: Final answer
    x = 325,733.17

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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.