Home / 882,706.60-1,324,059.90-528,812.20

Finding the Fourth Proportional to 882,706.60, 1,324,059.90 and 528,812.20

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Solution

The fourth proportional to 882,706.60, 1,324,059.90 and 528,812.20 is: 793,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,706.60 : 1,324,059.90 = 528,812.20 : x
  2. Step 2: Convert to fraction form
    882,706.60/1,324,059.90 = 528,812.20/x
  3. Step 3: Cross multiply
    882,706.60x = 1,324,059.90 × 528,812.20
  4. Step 4: Simplify right side
    882,706.60x = 700,179,028,650.78
  5. Step 5: Solve for x
    x = 700,179,028,650.78/882,706.60
  6. Step 6: Final answer
    x = 793,218.30

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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.