Home / 784,200.33-1,176,206.99-215,639.19

Finding the Fourth Proportional to 784,200.33, 1,176,206.99 and 215,639.19

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Solution

The fourth proportional to 784,200.33, 1,176,206.99 and 215,639.19 is: 323,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,200.33 : 1,176,206.99 = 215,639.19 : x
  2. Step 2: Convert to fraction form
    784,200.33/1,176,206.99 = 215,639.19/x
  3. Step 3: Cross multiply
    784,200.33x = 1,176,206.99 × 215,639.19
  4. Step 4: Simplify right side
    784,200.33x = 253,636,321,517.74
  5. Step 5: Solve for x
    x = 253,636,321,517.74/784,200.33
  6. Step 6: Final answer
    x = 323,433.07

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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.