Home / 812,584.35-1,120,994.19-526,196.70

Finding the Fourth Proportional to 812,584.35, 1,120,994.19 and 526,196.70

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Solution

The fourth proportional to 812,584.35, 1,120,994.19 and 526,196.70 is: 725,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,584.35 : 1,120,994.19 = 526,196.70 : x
  2. Step 2: Convert to fraction form
    812,584.35/1,120,994.19 = 526,196.70/x
  3. Step 3: Cross multiply
    812,584.35x = 1,120,994.19 × 526,196.70
  4. Step 4: Simplify right side
    812,584.35x = 589,863,443,497.17
  5. Step 5: Solve for x
    x = 589,863,443,497.17/812,584.35
  6. Step 6: Final answer
    x = 725,910.42

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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.