Home / 376,554.12-519,619.98-223,584.42

Finding the Fourth Proportional to 376,554.12, 519,619.98 and 223,584.42

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Solution

The fourth proportional to 376,554.12, 519,619.98 and 223,584.42 is: 308,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,554.12 : 519,619.98 = 223,584.42 : x
  2. Step 2: Convert to fraction form
    376,554.12/519,619.98 = 223,584.42/x
  3. Step 3: Cross multiply
    376,554.12x = 519,619.98 × 223,584.42
  4. Step 4: Simplify right side
    376,554.12x = 116,178,931,848.71
  5. Step 5: Solve for x
    x = 116,178,931,848.71/376,554.12
  6. Step 6: Final answer
    x = 308,531.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.