Home / 806,571.60-1,210,732.20-452,277.60

Finding the Fourth Proportional to 806,571.60, 1,210,732.20 and 452,277.60

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Solution

The fourth proportional to 806,571.60, 1,210,732.20 and 452,277.60 is: 678,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,571.60 : 1,210,732.20 = 452,277.60 : x
  2. Step 2: Convert to fraction form
    806,571.60/1,210,732.20 = 452,277.60/x
  3. Step 3: Cross multiply
    806,571.60x = 1,210,732.20 × 452,277.60
  4. Step 4: Simplify right side
    806,571.60x = 547,587,053,658.72
  5. Step 5: Solve for x
    x = 547,587,053,658.72/806,571.60
  6. Step 6: Final answer
    x = 678,906.94

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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.