Home / 697,753.20-1,046,629.80-172,441.20

Finding the Fourth Proportional to 697,753.20, 1,046,629.80 and 172,441.20

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Solution

The fourth proportional to 697,753.20, 1,046,629.80 and 172,441.20 is: 258,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,753.20 : 1,046,629.80 = 172,441.20 : x
  2. Step 2: Convert to fraction form
    697,753.20/1,046,629.80 = 172,441.20/x
  3. Step 3: Cross multiply
    697,753.20x = 1,046,629.80 × 172,441.20
  4. Step 4: Simplify right side
    697,753.20x = 180,482,098,667.76
  5. Step 5: Solve for x
    x = 180,482,098,667.76/697,753.20
  6. Step 6: Final answer
    x = 258,661.80

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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.