Home / 912,619.26-1,368,824.31-238,765.59

Finding the Fourth Proportional to 912,619.26, 1,368,824.31 and 238,765.59

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Solution

The fourth proportional to 912,619.26, 1,368,824.31 and 238,765.59 is: 358,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,619.26 : 1,368,824.31 = 238,765.59 : x
  2. Step 2: Convert to fraction form
    912,619.26/1,368,824.31 = 238,765.59/x
  3. Step 3: Cross multiply
    912,619.26x = 1,368,824.31 × 238,765.59
  4. Step 4: Simplify right side
    912,619.26x = 326,828,143,983.49
  5. Step 5: Solve for x
    x = 326,828,143,983.49/912,619.26
  6. Step 6: Final answer
    x = 358,121.02

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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.