Home / 809,343.20-1,215,397.20-530,098.40

Finding the Fourth Proportional to 809,343.20, 1,215,397.20 and 530,098.40

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Solution

The fourth proportional to 809,343.20, 1,215,397.20 and 530,098.40 is: 796,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,343.20 : 1,215,397.20 = 530,098.40 : x
  2. Step 2: Convert to fraction form
    809,343.20/1,215,397.20 = 530,098.40/x
  3. Step 3: Cross multiply
    809,343.20x = 1,215,397.20 × 530,098.40
  4. Step 4: Simplify right side
    809,343.20x = 644,280,111,084.48
  5. Step 5: Solve for x
    x = 644,280,111,084.48/809,343.20
  6. Step 6: Final answer
    x = 796,053.04

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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.