Home / 1,369.11-2,053.23-444.50

Finding the Fourth Proportional to 1,369.11, 2,053.23 and 444.50

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Solution

The fourth proportional to 1,369.11, 2,053.23 and 444.50 is: 666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.11 : 2,053.23 = 444.50 : x
  2. Step 2: Convert to fraction form
    1,369.11/2,053.23 = 444.50/x
  3. Step 3: Cross multiply
    1,369.11x = 2,053.23 × 444.50
  4. Step 4: Simplify right side
    1,369.11x = 912,650.47
  5. Step 5: Solve for x
    x = 912,650.47/1,369.11
  6. Step 6: Final answer
    x = 666.60

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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.