Home / 666,190.14-919,084.23-424,429.44

Finding the Fourth Proportional to 666,190.14, 919,084.23 and 424,429.44

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Solution

The fourth proportional to 666,190.14, 919,084.23 and 424,429.44 is: 585,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,190.14 : 919,084.23 = 424,429.44 : x
  2. Step 2: Convert to fraction form
    666,190.14/919,084.23 = 424,429.44/x
  3. Step 3: Cross multiply
    666,190.14x = 919,084.23 × 424,429.44
  4. Step 4: Simplify right side
    666,190.14x = 390,086,405,051.73
  5. Step 5: Solve for x
    x = 390,086,405,051.73/666,190.14
  6. Step 6: Final answer
    x = 585,548.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.