Home / 505,015.04-697,923.84-414,229.76

Finding the Fourth Proportional to 505,015.04, 697,923.84 and 414,229.76

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Solution

The fourth proportional to 505,015.04, 697,923.84 and 414,229.76 is: 572,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,015.04 : 697,923.84 = 414,229.76 : x
  2. Step 2: Convert to fraction form
    505,015.04/697,923.84 = 414,229.76/x
  3. Step 3: Cross multiply
    505,015.04x = 697,923.84 × 414,229.76
  4. Step 4: Simplify right side
    505,015.04x = 289,100,824,741.48
  5. Step 5: Solve for x
    x = 289,100,824,741.48/505,015.04
  6. Step 6: Final answer
    x = 572,459.83

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.