Home / 697,687.20-1,046,530.80-248,914.80

Finding the Fourth Proportional to 697,687.20, 1,046,530.80 and 248,914.80

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Solution

The fourth proportional to 697,687.20, 1,046,530.80 and 248,914.80 is: 373,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,687.20 : 1,046,530.80 = 248,914.80 : x
  2. Step 2: Convert to fraction form
    697,687.20/1,046,530.80 = 248,914.80/x
  3. Step 3: Cross multiply
    697,687.20x = 1,046,530.80 × 248,914.80
  4. Step 4: Simplify right side
    697,687.20x = 260,497,004,775.84
  5. Step 5: Solve for x
    x = 260,497,004,775.84/697,687.20
  6. Step 6: Final answer
    x = 373,372.20

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Double scale
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Similar ratio
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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.