Home / 435,618.14-653,594.72-210,961.28

Finding the Fourth Proportional to 435,618.14, 653,594.72 and 210,961.28

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Solution

The fourth proportional to 435,618.14, 653,594.72 and 210,961.28 is: 316,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,618.14 : 653,594.72 = 210,961.28 : x
  2. Step 2: Convert to fraction form
    435,618.14/653,594.72 = 210,961.28/x
  3. Step 3: Cross multiply
    435,618.14x = 653,594.72 × 210,961.28
  4. Step 4: Simplify right side
    435,618.14x = 137,883,179,311.62
  5. Step 5: Solve for x
    x = 137,883,179,311.62/435,618.14
  6. Step 6: Final answer
    x = 316,523.05

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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.