Home / 863,432.40-1,295,148.60-814,443.60

Finding the Fourth Proportional to 863,432.40, 1,295,148.60 and 814,443.60

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Solution

The fourth proportional to 863,432.40, 1,295,148.60 and 814,443.60 is: 1,221,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,432.40 : 1,295,148.60 = 814,443.60 : x
  2. Step 2: Convert to fraction form
    863,432.40/1,295,148.60 = 814,443.60/x
  3. Step 3: Cross multiply
    863,432.40x = 1,295,148.60 × 814,443.60
  4. Step 4: Simplify right side
    863,432.40x = 1,054,825,488,318.96
  5. Step 5: Solve for x
    x = 1,054,825,488,318.96/863,432.40
  6. Step 6: Final answer
    x = 1,221,665.40

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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.