Home / 666,349.21-999,523.02-217,069.34

Finding the Fourth Proportional to 666,349.21, 999,523.02 and 217,069.34

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Solution

The fourth proportional to 666,349.21, 999,523.02 and 217,069.34 is: 325,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,349.21 : 999,523.02 = 217,069.34 : x
  2. Step 2: Convert to fraction form
    666,349.21/999,523.02 = 217,069.34/x
  3. Step 3: Cross multiply
    666,349.21x = 999,523.02 × 217,069.34
  4. Step 4: Simplify right side
    666,349.21x = 216,965,805,579.02
  5. Step 5: Solve for x
    x = 216,965,805,579.02/666,349.21
  6. Step 6: Final answer
    x = 325,603.76

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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.