Home / 435,964.40-653,460.60-169,636.40

Finding the Fourth Proportional to 435,964.40, 653,460.60 and 169,636.40

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Solution

The fourth proportional to 435,964.40, 653,460.60 and 169,636.40 is: 254,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,964.40 : 653,460.60 = 169,636.40 : x
  2. Step 2: Convert to fraction form
    435,964.40/653,460.60 = 169,636.40/x
  3. Step 3: Cross multiply
    435,964.40x = 653,460.60 × 169,636.40
  4. Step 4: Simplify right side
    435,964.40x = 110,850,703,725.84
  5. Step 5: Solve for x
    x = 110,850,703,725.84/435,964.40
  6. Step 6: Final answer
    x = 254,265.49

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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.