Home / 919,839.62-1,379,654.30-245,973.45

Finding the Fourth Proportional to 919,839.62, 1,379,654.30 and 245,973.45

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Solution

The fourth proportional to 919,839.62, 1,379,654.30 and 245,973.45 is: 368,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,839.62 : 1,379,654.30 = 245,973.45 : x
  2. Step 2: Convert to fraction form
    919,839.62/1,379,654.30 = 245,973.45/x
  3. Step 3: Cross multiply
    919,839.62x = 1,379,654.30 × 245,973.45
  4. Step 4: Simplify right side
    919,839.62x = 339,358,326,748.47
  5. Step 5: Solve for x
    x = 339,358,326,748.47/919,839.62
  6. Step 6: Final answer
    x = 368,932.06

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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.