Home / 435,128.52-652,879.90-235,591.50

Finding the Fourth Proportional to 435,128.52, 652,879.90 and 235,591.50

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Solution

The fourth proportional to 435,128.52, 652,879.90 and 235,591.50 is: 353,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,128.52 : 652,879.90 = 235,591.50 : x
  2. Step 2: Convert to fraction form
    435,128.52/652,879.90 = 235,591.50/x
  3. Step 3: Cross multiply
    435,128.52x = 652,879.90 × 235,591.50
  4. Step 4: Simplify right side
    435,128.52x = 153,812,954,960.85
  5. Step 5: Solve for x
    x = 153,812,954,960.85/435,128.52
  6. Step 6: Final answer
    x = 353,488.56

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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.