Home / 863,401.70-1,295,102.55-549,251.30

Finding the Fourth Proportional to 863,401.70, 1,295,102.55 and 549,251.30

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Solution

The fourth proportional to 863,401.70, 1,295,102.55 and 549,251.30 is: 823,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,401.70 : 1,295,102.55 = 549,251.30 : x
  2. Step 2: Convert to fraction form
    863,401.70/1,295,102.55 = 549,251.30/x
  3. Step 3: Cross multiply
    863,401.70x = 1,295,102.55 × 549,251.30
  4. Step 4: Simplify right side
    863,401.70x = 711,336,759,220.82
  5. Step 5: Solve for x
    x = 711,336,759,220.82/863,401.70
  6. Step 6: Final answer
    x = 823,876.95

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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.