Home / 863,440.20-1,295,160.30-548,512.20

Finding the Fourth Proportional to 863,440.20, 1,295,160.30 and 548,512.20

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Solution

The fourth proportional to 863,440.20, 1,295,160.30 and 548,512.20 is: 822,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,440.20 : 1,295,160.30 = 548,512.20 : x
  2. Step 2: Convert to fraction form
    863,440.20/1,295,160.30 = 548,512.20/x
  3. Step 3: Cross multiply
    863,440.20x = 1,295,160.30 × 548,512.20
  4. Step 4: Simplify right side
    863,440.20x = 710,411,225,505.66
  5. Step 5: Solve for x
    x = 710,411,225,505.66/863,440.20
  6. Step 6: Final answer
    x = 822,768.30

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Half scale
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Double scale
Find fourth proportional to 863,441.20, 1,295,161.80 and 548,513.20
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.