Home / 435,533.03-653,390.26-219,513.17

Finding the Fourth Proportional to 435,533.03, 653,390.26 and 219,513.17

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Solution

The fourth proportional to 435,533.03, 653,390.26 and 219,513.17 is: 329,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,533.03 : 653,390.26 = 219,513.17 : x
  2. Step 2: Convert to fraction form
    435,533.03/653,390.26 = 219,513.17/x
  3. Step 3: Cross multiply
    435,533.03x = 653,390.26 × 219,513.17
  4. Step 4: Simplify right side
    435,533.03x = 143,427,768,613.11
  5. Step 5: Solve for x
    x = 143,427,768,613.11/435,533.03
  6. Step 6: Final answer
    x = 329,315.48

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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.