Home / 806,924.40-1,210,732.20-412,940.40

Finding the Fourth Proportional to 806,924.40, 1,210,732.20 and 412,940.40

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Solution

The fourth proportional to 806,924.40, 1,210,732.20 and 412,940.40 is: 619,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,924.40 : 1,210,732.20 = 412,940.40 : x
  2. Step 2: Convert to fraction form
    806,924.40/1,210,732.20 = 412,940.40/x
  3. Step 3: Cross multiply
    806,924.40x = 1,210,732.20 × 412,940.40
  4. Step 4: Simplify right side
    806,924.40x = 499,960,238,960.88
  5. Step 5: Solve for x
    x = 499,960,238,960.88/806,924.40
  6. Step 6: Final answer
    x = 619,587.46

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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.