Home / 938,939.32-1,295,617.44-556,891.48

Finding the Fourth Proportional to 938,939.32, 1,295,617.44 and 556,891.48

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Solution

The fourth proportional to 938,939.32, 1,295,617.44 and 556,891.48 is: 768,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,939.32 : 1,295,617.44 = 556,891.48 : x
  2. Step 2: Convert to fraction form
    938,939.32/1,295,617.44 = 556,891.48/x
  3. Step 3: Cross multiply
    938,939.32x = 1,295,617.44 × 556,891.48
  4. Step 4: Simplify right side
    938,939.32x = 721,518,313,675.41
  5. Step 5: Solve for x
    x = 721,518,313,675.41/938,939.32
  6. Step 6: Final answer
    x = 768,439.77

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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.