Home / 666,346.23-999,518.54-217,066.37

Finding the Fourth Proportional to 666,346.23, 999,518.54 and 217,066.37

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Solution

The fourth proportional to 666,346.23, 999,518.54 and 217,066.37 is: 325,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,346.23 : 999,518.54 = 217,066.37 : x
  2. Step 2: Convert to fraction form
    666,346.23/999,518.54 = 217,066.37/x
  3. Step 3: Cross multiply
    666,346.23x = 999,518.54 × 217,066.37
  4. Step 4: Simplify right side
    666,346.23x = 216,961,855,142.58
  5. Step 5: Solve for x
    x = 216,961,855,142.58/666,346.23
  6. Step 6: Final answer
    x = 325,599.28

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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.