Home / 866,416.36-1,299,624.54-570,859.24

Finding the Fourth Proportional to 866,416.36, 1,299,624.54 and 570,859.24

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Solution

The fourth proportional to 866,416.36, 1,299,624.54 and 570,859.24 is: 856,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,416.36 : 1,299,624.54 = 570,859.24 : x
  2. Step 2: Convert to fraction form
    866,416.36/1,299,624.54 = 570,859.24/x
  3. Step 3: Cross multiply
    866,416.36x = 1,299,624.54 × 570,859.24
  4. Step 4: Simplify right side
    866,416.36x = 741,902,677,189.75
  5. Step 5: Solve for x
    x = 741,902,677,189.75/866,416.36
  6. Step 6: Final answer
    x = 856,288.86

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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.