Home / 412,973.20-619,306.20-163,603.60

Finding the Fourth Proportional to 412,973.20, 619,306.20 and 163,603.60

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Solution

The fourth proportional to 412,973.20, 619,306.20 and 163,603.60 is: 245,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,973.20 : 619,306.20 = 163,603.60 : x
  2. Step 2: Convert to fraction form
    412,973.20/619,306.20 = 163,603.60/x
  3. Step 3: Cross multiply
    412,973.20x = 619,306.20 × 163,603.60
  4. Step 4: Simplify right side
    412,973.20x = 101,320,723,822.32
  5. Step 5: Solve for x
    x = 101,320,723,822.32/412,973.20
  6. Step 6: Final answer
    x = 245,344.55

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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.