Home / 666,249.49-999,444.25-217,005.34

Finding the Fourth Proportional to 666,249.49, 999,444.25 and 217,005.34

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Solution

The fourth proportional to 666,249.49, 999,444.25 and 217,005.34 is: 325,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,249.49 : 999,444.25 = 217,005.34 : x
  2. Step 2: Convert to fraction form
    666,249.49/999,444.25 = 217,005.34/x
  3. Step 3: Cross multiply
    666,249.49x = 999,444.25 × 217,005.34
  4. Step 4: Simplify right side
    666,249.49x = 216,884,739,282.30
  5. Step 5: Solve for x
    x = 216,884,739,282.30/666,249.49
  6. Step 6: Final answer
    x = 325,530.81

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1.5x scale

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.