Home / 697,276.20-1,045,914.30-484,699.80

Finding the Fourth Proportional to 697,276.20, 1,045,914.30 and 484,699.80

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Solution

The fourth proportional to 697,276.20, 1,045,914.30 and 484,699.80 is: 727,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,276.20 : 1,045,914.30 = 484,699.80 : x
  2. Step 2: Convert to fraction form
    697,276.20/1,045,914.30 = 484,699.80/x
  3. Step 3: Cross multiply
    697,276.20x = 1,045,914.30 × 484,699.80
  4. Step 4: Simplify right side
    697,276.20x = 506,954,452,027.14
  5. Step 5: Solve for x
    x = 506,954,452,027.14/697,276.20
  6. Step 6: Final answer
    x = 727,049.70

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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.