Home / 931,336.38-1,396,965.69-266,488.38

Finding the Fourth Proportional to 931,336.38, 1,396,965.69 and 266,488.38

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Solution

The fourth proportional to 931,336.38, 1,396,965.69 and 266,488.38 is: 399,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,336.38 : 1,396,965.69 = 266,488.38 : x
  2. Step 2: Convert to fraction form
    931,336.38/1,396,965.69 = 266,488.38/x
  3. Step 3: Cross multiply
    931,336.38x = 1,396,965.69 × 266,488.38
  4. Step 4: Simplify right side
    931,336.38x = 372,275,123,643.68
  5. Step 5: Solve for x
    x = 372,275,123,643.68/931,336.38
  6. Step 6: Final answer
    x = 399,721.45

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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.