Home / 697,352.20-1,046,028.30-191,912.20

Finding the Fourth Proportional to 697,352.20, 1,046,028.30 and 191,912.20

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Solution

The fourth proportional to 697,352.20, 1,046,028.30 and 191,912.20 is: 287,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,352.20 : 1,046,028.30 = 191,912.20 : x
  2. Step 2: Convert to fraction form
    697,352.20/1,046,028.30 = 191,912.20/x
  3. Step 3: Cross multiply
    697,352.20x = 1,046,028.30 × 191,912.20
  4. Step 4: Simplify right side
    697,352.20x = 200,745,592,315.26
  5. Step 5: Solve for x
    x = 200,745,592,315.26/697,352.20
  6. Step 6: Final answer
    x = 287,868.30

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Half scale
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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.