Home / 641,203.02-962,069.46-281,187.57

Finding the Fourth Proportional to 641,203.02, 962,069.46 and 281,187.57

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Solution

The fourth proportional to 641,203.02, 962,069.46 and 281,187.57 is: 421,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,203.02 : 962,069.46 = 281,187.57 : x
  2. Step 2: Convert to fraction form
    641,203.02/962,069.46 = 281,187.57/x
  3. Step 3: Cross multiply
    641,203.02x = 962,069.46 × 281,187.57
  4. Step 4: Simplify right side
    641,203.02x = 270,521,973,628.61
  5. Step 5: Solve for x
    x = 270,521,973,628.61/641,203.02
  6. Step 6: Final answer
    x = 421,897.54

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1.5x scale

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.