Home / 617,501.40-926,320.23-196,680.48

Finding the Fourth Proportional to 617,501.40, 926,320.23 and 196,680.48

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Solution

The fourth proportional to 617,501.40, 926,320.23 and 196,680.48 is: 295,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,501.40 : 926,320.23 = 196,680.48 : x
  2. Step 2: Convert to fraction form
    617,501.40/926,320.23 = 196,680.48/x
  3. Step 3: Cross multiply
    617,501.40x = 926,320.23 × 196,680.48
  4. Step 4: Simplify right side
    617,501.40x = 182,189,107,470.11
  5. Step 5: Solve for x
    x = 182,189,107,470.11/617,501.40
  6. Step 6: Final answer
    x = 295,042.42

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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.