Home / 644,005.53-966,451.19-223,281.41

Finding the Fourth Proportional to 644,005.53, 966,451.19 and 223,281.41

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Solution

The fourth proportional to 644,005.53, 966,451.19 and 223,281.41 is: 335,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,005.53 : 966,451.19 = 223,281.41 : x
  2. Step 2: Convert to fraction form
    644,005.53/966,451.19 = 223,281.41/x
  3. Step 3: Cross multiply
    644,005.53x = 966,451.19 × 223,281.41
  4. Step 4: Simplify right side
    644,005.53x = 215,790,578,450.72
  5. Step 5: Solve for x
    x = 215,790,578,450.72/644,005.53
  6. Step 6: Final answer
    x = 335,075.66

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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.