Home / 809,341.20-1,215,394.20-530,096.40

Finding the Fourth Proportional to 809,341.20, 1,215,394.20 and 530,096.40

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Solution

The fourth proportional to 809,341.20, 1,215,394.20 and 530,096.40 is: 796,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,341.20 : 1,215,394.20 = 530,096.40 : x
  2. Step 2: Convert to fraction form
    809,341.20/1,215,394.20 = 530,096.40/x
  3. Step 3: Cross multiply
    809,341.20x = 1,215,394.20 × 530,096.40
  4. Step 4: Simplify right side
    809,341.20x = 644,276,090,000.88
  5. Step 5: Solve for x
    x = 644,276,090,000.88/809,341.20
  6. Step 6: Final answer
    x = 796,050.03

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Double scale
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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.