Home / 452,306.66-678,538.23-152,789.42

Finding the Fourth Proportional to 452,306.66, 678,538.23 and 152,789.42

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Solution

The fourth proportional to 452,306.66, 678,538.23 and 152,789.42 is: 229,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,306.66 : 678,538.23 = 152,789.42 : x
  2. Step 2: Convert to fraction form
    452,306.66/678,538.23 = 152,789.42/x
  3. Step 3: Cross multiply
    452,306.66x = 678,538.23 × 152,789.42
  4. Step 4: Simplify right side
    452,306.66x = 103,673,462,609.53
  5. Step 5: Solve for x
    x = 103,673,462,609.53/452,306.66
  6. Step 6: Final answer
    x = 229,210.56

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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.