Home / 825,736.68-1,139,425.38-463,085.82

Finding the Fourth Proportional to 825,736.68, 1,139,425.38 and 463,085.82

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Solution

The fourth proportional to 825,736.68, 1,139,425.38 and 463,085.82 is: 639,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,736.68 : 1,139,425.38 = 463,085.82 : x
  2. Step 2: Convert to fraction form
    825,736.68/1,139,425.38 = 463,085.82/x
  3. Step 3: Cross multiply
    825,736.68x = 1,139,425.38 × 463,085.82
  4. Step 4: Simplify right side
    825,736.68x = 527,651,736,426.11
  5. Step 5: Solve for x
    x = 527,651,736,426.11/825,736.68
  6. Step 6: Final answer
    x = 639,007.26

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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.