Home / 827,146.56-1,240,726.32-452,965.44

Finding the Fourth Proportional to 827,146.56, 1,240,726.32 and 452,965.44

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Solution

The fourth proportional to 827,146.56, 1,240,726.32 and 452,965.44 is: 679,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,146.56 : 1,240,726.32 = 452,965.44 : x
  2. Step 2: Convert to fraction form
    827,146.56/1,240,726.32 = 452,965.44/x
  3. Step 3: Cross multiply
    827,146.56x = 1,240,726.32 × 452,965.44
  4. Step 4: Simplify right side
    827,146.56x = 562,006,143,458.38
  5. Step 5: Solve for x
    x = 562,006,143,458.38/827,146.56
  6. Step 6: Final answer
    x = 679,451.71

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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.