Home / 817,070.30-1,127,589.10-494,597.96

Finding the Fourth Proportional to 817,070.30, 1,127,589.10 and 494,597.96

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Solution

The fourth proportional to 817,070.30, 1,127,589.10 and 494,597.96 is: 682,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,070.30 : 1,127,589.10 = 494,597.96 : x
  2. Step 2: Convert to fraction form
    817,070.30/1,127,589.10 = 494,597.96/x
  3. Step 3: Cross multiply
    817,070.30x = 1,127,589.10 × 494,597.96
  4. Step 4: Simplify right side
    817,070.30x = 557,703,268,578.24
  5. Step 5: Solve for x
    x = 557,703,268,578.24/817,070.30
  6. Step 6: Final answer
    x = 682,564.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.