Home / 863,463.20-1,295,194.80-549,312.80

Finding the Fourth Proportional to 863,463.20, 1,295,194.80 and 549,312.80

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Solution

The fourth proportional to 863,463.20, 1,295,194.80 and 549,312.80 is: 823,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,463.20 : 1,295,194.80 = 549,312.80 : x
  2. Step 2: Convert to fraction form
    863,463.20/1,295,194.80 = 549,312.80/x
  3. Step 3: Cross multiply
    863,463.20x = 1,295,194.80 × 549,312.80
  4. Step 4: Simplify right side
    863,463.20x = 711,467,082,133.44
  5. Step 5: Solve for x
    x = 711,467,082,133.44/863,463.20
  6. Step 6: Final answer
    x = 823,969.20

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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.