Home / 378,052.20-567,078.30-369,304.20

Finding the Fourth Proportional to 378,052.20, 567,078.30 and 369,304.20

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Solution

The fourth proportional to 378,052.20, 567,078.30 and 369,304.20 is: 553,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,052.20 : 567,078.30 = 369,304.20 : x
  2. Step 2: Convert to fraction form
    378,052.20/567,078.30 = 369,304.20/x
  3. Step 3: Cross multiply
    378,052.20x = 567,078.30 × 369,304.20
  4. Step 4: Simplify right side
    378,052.20x = 209,424,397,918.86
  5. Step 5: Solve for x
    x = 209,424,397,918.86/378,052.20
  6. Step 6: Final answer
    x = 553,956.30

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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.